07.02.2014
This study aims to estimate the market for UV curable resins & formulated products for 2016, and project by 2021.
With the given market data, MarketsandMarkets offers customizations as per the company’s specific needs. Epoxy acrylates are used for manufacturing paper coatings, overprint varnish, wood coating, ink application (screen and offset) and witnessing rapid growth in Asia-Pacific.
The industrial coating segment will continue to account for the highest demand for UV curable formulated products.
Asia-Pacific is the largest market for saturated polyester resin, followed by Western Europe and North America. Factors restraining market growth include the need to thermally dry sensitive substrates and high setting up cost. The UV curable resins market is highly concentrated as there are only a few market players. A variety of CIPP products are enabling the rehabilitation, rather than excavation and replacement, of underground pipe for wastewater and drinking water. This estimate of current annual resin usage and liner footage in the North American market helps underscore the potential for the CIPP portion of the composites market as its percentage of the pipe rehabilitation business grows. Cured-in-place pipe (CIPP) has been a growing subset of trenchless technology since its 1971 debut and is now a substantial market for composite materials (see Table 1, at left). Due largely to research and development on the part of various resin producers, CIPP structures can be designed to satisfy virtually any need for underground pipe rehabilitation, from industrial plants to potable water lines. The original pipe was first cleaned by a single pass from a jetter nozzle (pressurized water spray), but it was not thoroughly scrubbed, Inliner’s Yothers says, noting that the practice was avoided in this case to prevent further damage. The water used in the process was treated through a sequence of retention ponds before it was returned to the river.
Liners that are impregnated with isopolyester or vinyl ester resins formulated for cure by UV light are not catalyzed, but instead they contain a photo-initiator that reacts to certain wavelengths of UV light. Before the UV CIPP liner is installed, the damaged host pipe is thoroughly cleaned, flushed and inspected by video. During the summer of 2012, the contractor also installed LightStream UV CIPP liners to repair damaged 14-, 18- and 20-inch (360-, 460- and 510-mm) diameter pipelines in the oil fields of Valdez, Alaska. In 2005, another UV advocate, Reline America (Saltville, Va.), purchased UV CIPP technology from Brandenburger GmbH (Landau, Pfalz, Germany), which developed one of the first UV-curable pipelining systems.
Berolina typically mixes its own UV-curable vinyl ester and isophthalic polyester systems, using base resins from AOC or CCP Composites (N. UV cure not only simplifies installation, but it also is said to result in a tight fit between the CIPP liner and the host pipe, an important issue when liner crews are reconstructing service connections. This limitation, and the fact that many municipalities are now banning the use of styrenated resins for CIPP because of its odor and concerns about volatile organic compound (VOC) emissions, has prompted resin formulators to develop vinyl ester resins that replace styrene with an alternative reactive monomer to reduce or eliminate VOC emissions.
Because the sewer pipe is buried in a U-configuration, the leaking section was difficult to access. Another alternative to styrene-based systems, of course, is epoxy, which is also a 100 percent solids system.
Perma-Liner Industries (Clearwater, Fla.) uses epoxy for its liners to eliminate emissions in the densely populated areas it typically serves, says Travis Bohm, business development manager.
HAP and VOC emissions are prohibited in, and UV-curable resins are not approved for, the drinking water pipeline repair. This study aims to estimate the market for waterborne UV curable resins for 2015, and project its demand by 2020. The value chain of waterborne UV curable resins begins with raw material manufacturers, followed by waterborne UV curable resin manufacturers, waterborne UV coating manufacturers, and end-use industries. Dispersions of urethane acrylates (UV-PUDs), often combined with physical drying acrylic dispersions, are being widely used in the European furniture coatings industry, and are also finding growing acceptance in the North American market.
Wood coating applications are estimated to witness the best demand growth prospects for waterborne UV curable resins. Europe is the largest market for waterborne UV curable resins, followed by North America and Asia-Pacific. Factors restraining market growth include the need to thermally dry sensitive substrates and high set up cost which remain a limiting factor in the proliferation of waterborne UV curable resins in wood applications. New product launches and investments & expansions are the key strategies adopted by industry players to achieve growth in the waterborne UV curable resins market.
Science, Technology and Medicine open access publisher.Publish, read and share novel research. High Aspect Ratio Sloping and Curved Structures Fabricated by Proximity and UV-LED Backside ExposureYoshinonori Matsumoto1[1] Keio University, Japan1.
1997 “Cost effective mass fabrication of multilevel diffractive optical elements by use of a single optical exposure with a gray-scale mask on high-energy beam-sensitive glass,” Appl. 2004 ”Study of proximity lithography simulations using measurements of dissolution rate and calculation of the light intensity distributions in the photoresist”, Proc.
DSM-AGI announces to have started production of UV-curable resins at its brand-new, highly automated manufacturing facility, located in Changbin, Taiwan. The rapid growth of the market is driven by environmental concerns and increasingly stringent regulations. The key drivers of the market are environmental concerns, growing awareness, stringent regulations for VOC emissions, and high performance of UV curable resins owing to its superior mechanical properties. The superior mechanical properties of epoxy acrylates make them suited for use in diverse applications.
With legislators seeking to reduce solvent emissions from coating processes through laws such as the Solvent Emissions Directive (SED) and the Decopaint Directive (DPD), there is a significant trend toward the use of more environmentally friendly industrial coating systems.
The market in Asia-Pacific is estimated to record high growth owing to increasing demand from the electronics sector. Moreover, the saturated polyester resin market is moderately consolidated and competitive, with a number of small- to medium-scale players, especially in China.
The market is very niche, but is estimated to witness high growth as VOC regulations tighten across the world. 5: These light trains are used to cure fiberglass liners pre-impregnated with UV-curable resin. With its resin in an uncured state, it forms a flexible, conformable tube that can be inserted into a damaged pipe.
The BP plant produces purified terephthalic acid (PTA) and dimethyl 2,6-naphthalene dicarboxylic acid (NDC).
When the light hits these photo-initiators, they fracture to form reactive free radicals, which initiate the molecular crosslinking that results in cure.
The company makes its liners using Fiberex (Leduc, Alberta, Canada) boron- and fluorine-free E-CR (corrosion-resistant) fiberglass, custom manufactured for StreamLinerUV.
A plastic sheet is pulled into the host pipe to protect the liner from damage as it moves through the host pipe.
At that level of chill, heat-cure resins would be more expensive and less efficient, says Richard Herring, project manager for the installer, Construction Unlimited Inc.
Reline patented its own Blue-Tek UV system in 2007, making changes to the equipment and the Light Train. Active leaking can create cool spots that hinder complete cure by heat-cure methods, but cure by UV light is not affected by cool spots. For installation, after the pipe is thoroughly cleaned and inspected, the preimpregnated liners are winched into the damaged pipe. However, UV liners are limited in thickness and diameter, LightStream’s Montemarano points out. Insituform’s technology offered a solution of a jointless pipe system and the ability to negotiate bends through its patented method for sewing together the butted ends of its tube, with no overlapping seams that might create distortions and wrinkles in the pipe liner. Epoxy is almost entirely free of emittable components, and its minimal odor and low shrinkage (3 percent, compared to 7 percent for polyester and vinyl ester resins) recommend it for CIPP applications. Services uses Perma-Liner’s epoxy system for repair of vitrified clay pipes and concrete pipes that are damaged by root intrusion and heavy soil and to reline cast iron sewer pipe that is corroding on the bottom.
It is mated to the host pipe’s interior surface by pushing a torpedo-shaped foam pig (Fig. The waterborne UV curable resins industry is witnessing high growth on account of increasing applications, technological advancements, and growing demand of waterborne UV curable resins in the European and North American regions. Maximum value is added during the waterborne UV coating manufacturing stage, as the coating process knowledge is proprietary, protected by patents, and expensive owing to additional heating required to evaporate the water before UV curing. The current market demand and forecasts have also been included to provide a complete picture. The key drivers of the market are environmental concerns, growing awareness, and increasingly stringent regulations for VOC emissions.
Waterborne UV wood coatings are estimated to account for approximately 10% of the radiation curable wood coatings market.


The market in Western Europe is estimated to record high growth, due to stringent regulations for waterborne UV curable resins. Moreover, the waterborne UV curable resins market is consolidated and competitive, with a number of small-to-medium scale players, especially in China.
Each of these strategies accounted for a share of 40% of all the growth strategies adopted by market players from 2010 to 2015.
IntroductionFabrication technique for micro three-dimensional structures has been in wide demand in various devices in MEMS, micro optics, and the biomedical field. Another fabrication method has been proposed that utilizes chemically amplified epoxy-based negative resist(SU-8 etc.) and backside exposure [6]. Micro lens fabrication on another substrateMicro lenses of UV curable resins were fabricated on another substrate such as a silicon wafer using the above-described hemisphere resist structures. Over the past 18 months, DSM-AGI has made a substantial investment to secure its transition and commitment to sustainable business in coating resins.
Various secondary sources, such as directories, industry journals, and databases, have been used to identify and collect information useful for an extensive commercial study of the UV curable resins & formulated products market. Some sleeves are manufactured inside out and are inverted as they are pushed into the existing pipe via air or water pressure. The other is a fully deteriorated condition, where it is assumed that the existing pipe will be unable to handle any loads sometime over the course of the next 50 years. Petrochemical and other industrial plants, for example, often send highly corrosive media through existing underground metal pipes, resulting in corrosion that must be repaired in a timely manner to prevent groundwater contamination and to avoid work stoppages and delays that interfere with efficient plant operations. However, some CIPP manufacturers have minimized water pollution issues by employing film-encapsulated UV-curable resins and air inflation systems, resulting in no detectable water contamination. UV-curable liners differ from others in that they use a nonwoven glass fiber tube, rather than other nonwovens, because the translucent glass fibers permit light transmission through the liner’s thickness.
The liner is preimpregnated with a chemically resistant isopolyester or vinyl ester resin formulated for UV cure, supplied by Momentive (formerly Hexion Specialty Chemicals, Columbus, Ohio). Then the liner is carefully pulled through the old pipe from or to a manhole or other existing opening and inflated with air pressure. The thicker the liner and the farther its surface is from the light source, the less intense, and therefore less effective, the light is at activating the photo initiator. Faced with the need to repair a sewer pipe that was leaking at the joints under an adjacent parking lot, the center approved the use of a CIPP liner impregnated with styrene-free Atlac Premium 600 vinyl ester, developed specifically for warm-cure CIPP by DSM. The company, a subsidiary of CIPP pioneer Insituform Technologies and now a member of the Aegion Corp.
Established in 1998, Perma-Liner focuses specifically on municipal, residential and commercial markets in North America.
But epoxy’s solvent-free formulation is enabling CIPP installers to bring no-dig rehabilitation to bear in potable water pipe.
But if leading-edge technology is that which sustains and improves the quality of human life, then CIPP certainly qualifies. Various secondary sources, such as directories, industry journals, and databases, have been used to identify and collect information useful for an extensive commercial study of the market.
Their key application areas are furniture coatings and hydro primers for industrial parquet. The rising demand for environmentally friendly wood coatings, coupled with the high growth of the plastic coatings industry in developed countries, prompts companies to adopt this strategy.
However, high aspect ratio sloping and curved structures of a few hundred micrometers height are generally difficult to fabricate by using the conventional method. Primary sources, such as experts from related industries and suppliers, have been interviewed to obtain and verify critical information, as well as assess prospects of the UV curable resins & formulated products market. The demand for UV cured coatings has experienced high growth over the past five years as technology has become highly developed. The company’s no-VOC, no-HAP epoxy CIPP provides an eco-sensitive solution for damaged drinking water pipe. By any name, the underground construction rehabilitation market is a boon to motorists, who suffer fewer delays and take fewer detours.
CIPP manufacturers take advantage of polymer resin systems that are resistant to corrosive fluids, even the highly caustic and acidic materials in industrial waste lines. 1, at left) had been corroded by a flow media of process water containing trace amounts of light hydrocarbons from the plant process.
Crisler adds that some 83,000 gal (314,190 liters) of water, drawn from the nearby Tennessee River, were circulated to invert, expand and cure the BP liner. The wetout liner has a six-month shelf life, with no refrigeration required, even in high-temperature environments. The damaged concrete and corrugated metal pipes were under the street and ranged in diameter from 8 inches to 36 inches (203 mm to 914 mm). As the liner presses against the host pipe, the overlapped layers expand to closely fit the dimensions of the pipe. The CIPP liner was installed by Capital Sewer Services (Hamilton, Ontario, Canada), using nonwoven polyester felt tubes from National Liner LLC (Houston, Texas) that were preimpregnated off site. These patented systems, designed specifically for CIPP and currently in field trials, crosslink with typical methyl ethyl ketone peroxide (MEKP) catalyst systems that are consistent with standard initiators typically used for CIPP, Hardebeck notes.
Notably, epoxy costs more; and, unlike vinyl esters, which can be catalyzed and applied off-site, epoxy must be mixed and applied on-site just before installation.
Primary sources, such as experts from related industries and suppliers, have been interviewed to obtain and verify critical information, as well as to assess prospects of the waterborne UV curable resins market. Given their low viscosity, waterborne UV wood coatings enable effective penetration of the wooden pores and provide excellent adhesion. Market players are focusing on entering new markets by launching technologically advanced and innovative resins for different applications. The injection molding method is not suitable for small-lot production because the die assembly is expensive. It prevents resist peeling off from the substrate because the exposure and the photochemical reaction are occuring at the interface of the glass substrate.However, the high aspect ratio sloping structure is still difficult to fabricate using these lithography techniques. In addition to “eliminating” solvent emissions, newer water-based UV curing formulations provide improved mechanical characteristics, while increasing production efficiency, particularly, in spray applications. Inversion exposes the as-yet uncured resin to the inside of the pipe, and the external liner then becomes the new internal surface of the pipe.) Others are pulled through damaged pipe.
The UV light source is then drawn through the liner, and curing takes place emission-free between the sealed-off liner ends. That is, the power of the light source is reduced by the inverse square of the distance, Montemarano says.
Louis, Mo.), manufactures its own felt tubes using polyester fibers and adds a coat of water-tight polypropylene that bonds with the felt for additional water- and chemical-resistance. Installers aim for complete onsite impregnation of its needle-punched polyvinyl chloride (PVC) felt tubes and polyester scrim.
The liner completely cures in about two hours, after which service connections are restored from within the pipe using a remote-controlled robot.
Further, underground construction rehabilitation offers a huge market for the composites industry. The thermal reflow method does not provide high controllability of profile because the size depends on the surface tension.
In this chapter, a fabrication method for this type of structure is proposed based on use of the proximity exposure technique [7]. It also shows the continued commitment to shape the future of sustainable coatings.In 2011, DSM obtained a majority stake in AGI Corporation of Taiwan (AGI), which became DSM-AGI. These benefits are driving global interest for the use of waterborne UV technology in new areas. Factory-impregnated sleeves need only be sealed in light-tight packaging to prevent exposure to sunlight.
Capital has continued to use the same AOC nonstyrene system in other Toronto installations. The wetout liners are kept in an ice bath to prevent hardening on site as they wait for installation into the host pipe. And finally, the finished lined pipe and connections are inspected by a closed-circuit television (CCTV) system.
They are fashionable in wood coatings, as they make a coated wooden surface look as natural as possible.
In the case of the gray scale mask method, the mask cost is high and it does not provide a high aspect ratio in the size of a few hundred micrometers. The method exposes the SU8 resist from the backside of the glass substrate to change the amount of exposure using a conventional mask. After defoaming in the vacuum desiccators, the PDMS was cured at room temperature for 6 h and peeled off from the glass plate.


DSM-AGI offers a broad range of environmentally friendly UV (ultraviolet) curable resins and other products that are used in coatings and inks for wood, flooring, plastic and graphic arts applications.
And surely 12.9 percent of $1 trillion is a worthy target to pursue in repair of potable water pipes.
In this study, a new fabrication technique has been developed using a novel lithography process. By using backside exposure, the exposure amount can be transformed into a resist structure. UV curable resin (Opster PJ3001, JSR Co.) was then dropped on the silicon wafer, and the PDMS-formed micro lens pattern was pressed on it. This process provides structures with high uniformity over a large area and also high flexibility of design by only one exposure process. The light source, camera and heat sensor are connected by umbilical to a programmable logic controller (PLC) and viewed on a monitor by the crew, outside the manhole.
Simulation of and results for the L&S structureDiffraction phenomena can be positively used to change the amount of exposure at the boundary of the mask. Additionally, a standard PC laptop functions as a comprehensive database and communicates with the PLC. In this study, a glass substrate 150 ?m thick was used for the three-dimensional fabrication. The gap between the mask and the resist makes the lithography process in the proximity region dominated by Fresnel diffraction. The light intensity on the resist surface could be calculated based on the model proposed by Dill et al. Figure 20 shows the calculated results for the focusing property for 240 ?m and 440 ?m diameter lenses. The Dill model calculates the light intensity on the resist surface through numerical calculations of all elements of the processes of resist exposure and development. The lenses effectively collected a laser beam of 550 nm wavelength under the glass substrate.The focusing property of the fabricated micro lenses was evaluated by irradiating laser beam. These results show the same tendency as the ray trace simulation and indicate that the focal length of the fabricated micro lens was shorter than that of the conventional micro lens for optical communication. The lithography simulator ProxSim-2 (Lithotech Japan) is based on the Grindle model and designed for proximity lithography using a mask aligner. The light intensity through the slit pattern from 20 ?m to 100 ?m in width was calculated by the lithography simulator. The light intensity in the resist changed according to the glass thickness and mask opening. The light beams passing through the mask opening were diffracted on the Hopkins equation[10]. The final resist structure was determined by the chemical reaction occurring during post-exposure bake and the resist development process. The simulator calculates the final strucuture based on the calculated light intensity distribution and the actually measured dissolution rate values for each intensities of SU-8 3000 resist.
The simulation predicts that the height changes depending on the slit width and that a slope is formed in the resist sidewall.As described above, the SU-8 resist structures were fabricated with a mask in which the slit width changed between 7 ?m and 35?m. SU-8 10 resist was dip-coated with a thickness of around 500 ?m on a 150 ?m thick glass substrate. After the prebake process, the glass substrate was backside-exposed for 5 s by the mask aligner LA310k(Nanometric Technology Inc., Japan). The UV dose and the photochemical reaction changed based on the slit width under the proximity condition. These structures had a smooth sloping formation because the width was changed continuously in a triangular mask pattern.
Simulation of and results for cylinder structureTaper cylinder structures with a diameter of several tens of ?m were obtained by using the diffraction phenomenon that occurred at the edge of the mask pattern. Because the ProxSim-2 is a two-dimensional simulator, the diffraction effect for the L&S pattern is calculated as shown in Fig. PDMS (Polydimethylsiloxane) was poured onto the structure and polymerized, and the resulting PDMS structures were easy peeled away from the SU-8 resist structures because of the tapered shape. The axisymmetrical diffraction effect should be large at the edge of the circle mask pattern in the experiment. Application for super-hydrophobic surfaceSuper-hydrophobic surfaces have attracted much attention due to their practical application potential such as in micro TAS applications. The PDMS structures form a super hydrophobic surface that depend on the micro relief structures on the PDMS surface. The contact angle of the PDMS surface is measured by using a contact angle measurement apparatus. The normal PDMS surface of the contact angle was 105 degrees, and the super hydrophobic PDMS surface was achieved at over 160 degrees [7].
The size of the fabrication structure was changed in this study, and the relation between the size and the contact angle was measured, as shown in Fig. The contact angle increases as the fabrication structure becomes smaller until reaching a size of 20 ?m. However, a taper structure is not fabricated by the diffraction phenomenon when the size of the structure is less than 20 ?m. The repellency was highest at a diameter of 20 ?m, and the maximum contact angle was 172 and, on average, 165 .3.
Exposure systemAnother fabrication technique for high aspect ratio curved structures has been developed using a UV-LED array and a rotary stage[11].
The high aspect ratio curved surface structures are needed for optical devices such as micro lenses, light-guiding devices, and so on. Smooth surface structures can be fabricated with this technique because the UV-LED makes the difference of the UV dose with its wide directivity characteristics.
This technique can control the height and curvature of structures by changing the exposure time.
Furthermore, this technique also provides high flexibility of design; for instance, the semi-cylinder shape is fabricated with the mask patterned rectangular aperture. Because the incidence range of UV rays depends on the aperture size, the use of apertures of various sizes allows for structures of various heights to be fabricated by only one exposure process.Two UV-LED arrays shown in Fig. The pitch of the UV-LED array is 12.5 mm, and the array is arranged in 32 lines and 25 rows. The distance between the rotary stage and the UV-LED array was determined within a few cm by measuring the uniformity of the UV intensity. SU-8 resist was dip-coated with a thickness of around 500 ?m on a 150-?m thick glass substrate.
The mask was set on the glass substrate coated with SU-8 resist, and they were fixed on the rotary stage. SU-8 was exposed by UV light through the glass and apertures of the mask by the UV-LED array. The amount of UV light depends on the mask pattern and the directional characteristics of the UV-LED.
The distributions of light arriving at the resist were simulated by the lithography simulator ProxSim-2 (Lithotech Japan). Figure 13 shows the calculated results for the UV intensity and the resist structure at wave length of 365 nm, with a collimation angle of ±50 .
The shape can be controlled by the mask pattern, exposure time, intensity, and directivity of the light source.
In this technique, the structure height depends on the distance from the edge of the aperture. A semi-cylindrical structure with a smooth surface can therefore be fabricated using the mask with a rectangular pattern. The mask pattern and the fabrication results for the semi-cylindrical structures are shown in Fig. The gray-scale mask of the rectangular pattern and the fabrication results are shown in Fig. A narrow, pointed structure was obtained.Hemisphere structures with smooth surface were fabricated as shown in Fig. The heights of the structures were lower and the curvatures were smaller than the results shown in Fig.



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