Abstract: A self-adhesive cloth in one embodiment includes a main layer (10), an adhesive layer (20) disposed under the main layer (10), and an intermediate isolation layer (30) fastened between the adhesive layer (20) and the main layer (10) for preventing printing ink from permeating to the adhesive layer (20). The adhesive layer (20) is adapted to releasably adhere to an object. The self-adhesive cloth in another embodiment further includes an advertisement layer (40) formed on a top surface of the main layer (10).

Abstract: Dimensionally stable nonwoven fibrous webs include a multiplicity of continuous fibers formed from one or more thermoplastic polyesters and polypropylene in an amount greater than 0% and no more than 10% by weight of the web. The webs have at least one dimension which decreases by no greater than 10% in the plane of the web when heated to a temperature above a glass transition temperature of the fibers. A spunbond process may be used to produce substantially continuous fibers that exhibit molecular orientation. A meltblown process may be used to produce discontinuous fibers that do not exhibit molecular orientation. Antishrinkage and antistatic additives are also added to the fibrous webs. The webs may be used as articles for filtration, sound absorption, thermal insulation, surface cleaning, cellular growth support, drug delivery, personal hygiene, medical apparel, or wound dressing.

Abstract: A system is provided for forming a fire resistant wall structure from a wall having an exposed combustible component. A sheet member comprising cellulose fibers is interacted with a fire-retarding substance, wherein the fire-retarding substance is substantially uniformly distributed about the sheet member so as to render the sheet member substantially ignition-resistant. The sheet member has a major surface adapted to receive an aesthetic surface treatment, and is configured to be applied to the wall to at least partially cover the exposed combustible component. An adhesive material is configured to be applied between the sheet member and the wall so as to secure the sheet member to the wall, such that the major surface of the sheet member is exposed and so as to substantially prevent atmospheric oxygen from interacting with the combustible component. An associated method is also provided.

Abstract: Packaged NERS-active structures are disclosed that include a NERS substrate having a NERS-active structure thereon, and a packaging substrate over the NERS substrate having an opening therethrough, the opening in alignment with the NERS-active structure. A membrane may cover the opening in the packaging substrate. In order to perform nanoenhanced Raman spectroscopy, the membrane may be removed, and an analyte placed on the NERS substrate adjacent the NERS-active structure. The membrane may be replaced with another membrane after the analyte has been placed on the substrate. The membrane may maintain the pristine state of the substrate before it is deployed, and the replacement membrane may preserve the substrate and analyte for archival purposes. Also disclosed are methods for performing NERS with packaged NERS-active structures.

Abstract: A multi-layered composite includes a polymer adhesive layer and a polymer support film layer that becomes intimately incorporated with the polymer adhesive layer upon application of heat.

Abstract: To provide an olefinic expandable substrate and a dicing film that exhibits less contamination characteristics, high expandability without necking, which cannot be achieved by conventional olefinic expandable substrates. In order to achieve the object, an expandable film comprises a 1-butene-?-olefin copolymer (A) having a tensile modulus at 23° C. of 100 to 500 MPa and a propylenic elastomer composition (B) comprising a propylene-?-olefin copolymer (b1) and having a tensile modulus at 23° C. of 10 to 50 MPa, wherein the amount of the component (B) is 30 to 70 weight parts relative to 100 weight parts in total of components (A) and (B).

Abstract: An article including at least one first layer with a first major surface and a second major surface, wherein at least one of the first and second major surfaces is a structured surface; and a cap layer in contact with a structured surface of the first layer.

Abstract: Transformable reinforced securing articles and methods are disclosed in which articles are transformable from a highly cinchable tape mode, such as duct tape, through easy physical transformations, to a highly elastic cord-like securing article mode providing relatively high elastic recovery and are capable of repeated usage.

Abstract: An object of the present invention is to provide an antistatic pressure-sensitive adhesive composition which is excellent in antistatic property and antistatic property with time of a non-electrification-prevented adherend (subject to be protected) upon peeling, and has reduced stainability in an adherend and is excellent in adhesion reliance, and electrification preventing pressure-sensitive adhesive sheets using the same. There is provided a pressure-sensitive adhesive composition comprising an ionic liquid, and a (meth)acryl-based polymer containing, as a monomer component, 0.01 to 20% by weight of a reactive surfactant shown by the following general formula (I) as a monomer unit.

Abstract: The present invention provides an adhesive made from a reaction product of: (a) a polymerizable monomer derived at least in part from non-petroleum resources; (b) an initiator; (c) a polymeric stabilizer, wherein the reaction occurs in water to yield a microsphere adhesive. The microsphere adhesive can be formulated into a pressure sensitive adhesive composition that can be applied to various substrates such as paper and polymeric film to produce repositionable adhesive coated articles such as tapes, notes, flags, easels and the like.

Abstract: The present invention provides a solar cell pre-lamination assembly comprising a terionomer multilayer film or sheet and solar cell modules prepared therefrom.

Abstract: A method of combating bed bugs and/or other insects in a locus containing or susceptible to presence of same, in which a DMSO-containing formulation is applied to the locus. Various pesticidal compositions are disclosed as useful for such purpose, including compositions in which DMSO is in combination with an alcohol and/or another pesticidal active agent. Compositions of the disclosure can be applied to a variety of loci, to effectively eradicate bed bugs for extended periods of time.

Abstract: The present disclosure, in one embodiment, relates to a fire retardant biolaminate composite assembly. The assembly includes a biolaminate layer. The biolaminate layer includes a PLA sub-layer, wherein the biolaminate layer includes a fire retardant. The assembly also includes and an intumescent layer comprising an intumescent material that swells as a result of heat exposure, wherein the biolaminate has good char and low flame spread with minimal smoke generation.

Abstract: A surface protective film includes a base layer having polyolefin as a main component and an adhesion layer. The surface protective film and a base film for the surface protective film are thermally treated at a temperature from 40 degrees C. to 100 degrees C. for 1 second to 120 seconds and a size change ratio at which each of the surface protective film and the base film changes in size after being heated at 90 degrees C. for one hour falls within ±0.50% in each of MD (a machine direction) and TD (a traverse direction). Generation of curling is prevented and a surface of a target member is protected without damaging properties or performance of the target member.

Abstract: A pressure-sensitive adhesive sheet includes a sheet-like base and a pressure-sensitive adhesive layer integrally laminated on one side of the sheet-like base, and the pressure-sensitive adhesive layer has on the surface thereof two or more waved groove portions. Each of the waved groove portions has convex arcuate groove portions and concave arcuate groove portions disposed alternately and connected at connecting portions, and the total wavelengths of adjacent waved groove portions are different from each other. Each of the waved groove portions is configured such that all connecting portions of the convex arcuate groove portions with the concave arcuate groove portions are located on a virtual straight line; the virtual straight lines of all the waved groove portions are parallel to each other, and the intervals between the virtual straight lines of the waved groove portions are not constant.

Abstract: A label for removable application to an article such as a beverage bottle includes a backing layer (2) comprising a laminate of a bi-axially oriented polyester such as PET (12) and a bi-axially oriented polypropylene (14). The polyester film (12) has a lower coefficient of thermal expansion than the polypropylene film (14). Consequently, when the label is heated, it will tend to curl and this effect can be used to assist in the removal of the label from the article in a hot washing bath during recycling of the article.

Abstract: An adhesive patch and method of use thereof for forming a plurality of stackable items into a vertically stacked load are described. The method may include delivering an aligned stack of items positioned on a pallet for eventual transportation while minimizing the misalignment of the stackable items.

Abstract: A container comprising at least one panel or flap configured to at least partially form a bottom or at least one wall of the container, wherein the panel or flap comprises a corrugated paper board, and the panel or flap includes an inside surface and an outside surface; and at least one reinforcing tape or string adhesively affixed to at least one panel or flap of the container, wherein the reinforcing tape or string comprises an adhesive disposed on a substrate, the reinforcing tape or string has a chord modulus of at least 100 grams/denier between 0% and 4% elongation, and the reinforcing tape or string has a width of equal to or less than 10 mm.

Abstract: Provided is a PSA sheet comprising a PVC film (support) provided with PSA layer formed of an aqueous dispersion-type PSA composition, which exhibits a smooth unwinding motion. The PVC film can be obtained by molding a PVC composition comprising PVC and a metal soap. The metal soap comprises an alkali earth metal soap and zinc soap. At least part of the alkali earth metal soap is a stearate and at least part of the zinc soap is zinc laurate.

Abstract: Disclosed is a waterproofing membrane that performs well at both high and low temperatures. The waterproofing membrane comprises a carrier support layer and an adhesive layer, wherein the adhesive layer comprises a pressure sensitive bitumen composition comprising bitumen (asphalt), synthetic rubber, high density polyethylene, ground vulcanized crumb rubber and, optionally, a plasticizer. The waterproofing membrane also may optionally include a removable release sheet on the adhesive layer.

Abstract: Disclosed is a waterproofing membrane that performs well at both high and low temperatures. The waterproofing membrane comprises a carrier support layer and an adhesive layer, wherein the adhesive layer comprises a pressure sensitive bitumen composition comprising bitumen (asphalt), synthetic rubber, high density polyethylene, amorphous polyolefin, ground vulcanized crumb rubber and, optionally, a plasticizer. The waterproofing membrane also may optionally include a removable release sheet on the adhesive layer.

Abstract: The present invention provides a flame-retardant polyolefin resin composition having superior molding processability, a resistance to thermal deformation and suitable stretchability and intensity, which is rich in elastic deformation. The present invention provides a flame-retardant polyolefin resin composition comprising component A (a thermoplastic resin having a carbonyl oxygen atom in the molecular skeleton), component B (a polymer alloy containing an ethylene component and a propylene component), component C: a modified polyolefin polymer containing an acidic functional group and having a weight average molecular weight of 10,000-80,000 and component D (an inorganic metal compound), and substantially free of a halogen atom.

Abstract: The present disclosure relates to a thermoplastic film containing an adhesive layer which is heat activated and adhered to metal sheeting and another layer which is heat activated and adhered to rubber.

Abstract: An extrusion die (20) and method for co-extruding a first molten polymeric material and a second molten polymeric material. The die includes a first die portion (20), a second die portion and a shim separating the first die portion and the second die portion. The shim has a first side and a second side, the first side of the shim forming a boundary of the first die portion and defining a first die cavity (38), the second side of the shim forming a boundary of the second die portion and defining a second die cavity (40). A dispensing edge (36) is provided having a plurality of first and second extrusion openings, a plurality of first feed channels connecting the first die cavity to the first extrusion openings along the dispensing edge, and a plurality of second feed channels connecting the second die cavity to the second extrusion openings along the dispensing edge.

Abstract: A laminated body comprises a thermally conductive sheet, a protective sheet, an auxiliary sheet, a carrier sheet and a coating sheet. The thermally conductive sheet comprises a main sheet body and an adhesive layer. The coefficient of static friction of the main sheet body is 1.0 or lower. The adhesive layer has high adhesiveness in comparison with the main sheet body, and has an outer shape smaller than that of the main sheet body. The protective sheet is formed having an outer shape larger than that of the adhesive layer, and provided with a cutting line extending toward the adhesive layer from the peripheral portion of the protective sheet so that the protective sheet can be cut along the cutting line.

Abstract: An adhesive composition and an optical member, the adhesive composition including 100 parts by weight of a polymer prepared by polymerization of (meth)acrylic ester containing monomers; 0.01 to about 3 parts by weight of an antistatic agent containing an ionic compound and/or a lithium salt; 0 to about 1 part by weight of a silane coupling agent; and about 3 to about 20 parts by weight of a benzotriazole group containing compound; and about 0.05 to about 5 parts by weight of a cross-linking agent, or about 3 to about 30 parts by weight of a multifunctional (meth)acrylate monomer, and 0 to about 5 parts by weight of an active energy-ray initiator.

Abstract: An adhesive system for flying splice (“parting system”), suitable for producing an adhesive bond on a substrate that can be parted again in such a way that adhesive residues remain neither on the reverse of the adhesive tape nor on the substrate in the region of the parted adhesive bond.

Abstract: A method of drying a surface of a substrate is provided. The method includes supporting a substrate; rotating the substrate about a rotational center point; applying a liquid to the substrate via a liquid dispenser; applying a drying fluid to the substrate via a drying fluid dispenser; moving the drying fluid dispenser and the liquid dispenser in a direction toward an edge region of the substrate, the drying fluid being applied closer to the rotational center point than the fluid; upon the liquid being applied to the edge region of the substrate, discontinuing application of the liquid while continuing the manipulation of the drying fluid dispenser; and upon the drying fluid being applied to the edge region of the substrate, continuing to apply the drying fluid for a predetermined period of time.

Abstract: A scent emitting patch remains securely attached to the skin of a wearer and is appointed for controlled release of scents. The patch is constructed having an external top layer and backing layer with a skin-contacting portion. The skin-contacting segment contains an adhesive. At least one reservoir comprising pockets or microcapsules containing a scent is disposed in at least one portion of the backing layer. These pockets or microcapsules are operative to rupture upon application of pressure or scratching by the patch wearer. Upon rupture, scent is delivered to the skin to emit aroma. Pockets containing the scent are formed in the backing layer. Microcapsules, if present, are preferably incorporated in the adhesive. A plethora of aromas are provided in the form of a perfume or cologne and correlating shapes can be used to form the patch. Scent is released at the skin-contact interface when pressure is applied ruptures the pockets or microcapsules, permitting controlled release at the wearer's election.

Abstract: A heat-resistant label containing a liquid crystalline polyester base material, wherein the liquid crystalline polyester in this liquid crystalline polyester base material contains a structural unit represented by the following formula (1), a structural unit represented by the following formula (2) and a structural unit represented by the following formula (3), and wherein the amount of structural units containing a 2,6 naphthalenediyl group is at least 40 mol % based on the total amount of all the structural units: (1) —O—Ar1—CO— (2) —CO—Ar2—CO— and (3) —O—Ar3—O— (wherein, Ar1 represents a 2,6-naphthalenediyl group, a 1,4-phenylene group, or a 4,4?-biphenylylene group; each of Ar2 and Ar3 independently represents a 2,6-naphthalenediyl group, a 1,4-phenylene group, a 1-3-phenylene group, or a 4,4?-biphenylylene group; and hydrogen atoms which are in the group represented by Ar1, Ar2 or Ar3 may be each independently substituted with a halogen atom, an alkyl group having 1 to 10 carbon atoms, or an aryl gro

Abstract: An Anti-Shatter Tape™ self-adhesive tape made from a strengthening face layer laminated to a pressure-sensitive adhesive layer to prevent shattering of plastic components in the interior of a vehicle when an air-bag is deployed.

Abstract: A multilayer resin sheet is constituted by including a resin layer containing an epoxy resin having a mesogenic skeleton, a curing agent and an inorganic filler, and an insulating adhesive layer formed on at least either of the surfaces of the resin layer. A cured multilayer resin sheet originated from the multilayer resin sheet has high thermal conductivity, good insulation and adhesive strength, and, further, superior thermal shock resistance, and is suitable as an electric insulating material to be used for an electric or electronic device.

Abstract: There is an adhesive film for a semiconductor for use in a method for manufacturing a semiconductor chip. The method includes preparing a laminated body having a semiconductor wafer, an adhesive film for a semiconductor and dicing tape laminated in that order. The adhesive film for a semiconductor has a tensile breaking elongation of less than 5%, and the tensile breaking elongation is less than 110% of the elongation at maximum load. The semiconductor wafer is partitioned into multiple semiconductor chips and notches are formed from the semiconductor wafer side so that at least a portion of the adhesive film for a semiconductor remains uncut in its thickness direction. The method also includes stretching out the dicing tape in a direction so that the multiple semiconductor chips are separated apart, to separate the adhesive film for a semiconductor along the notches.

Abstract: Resealable multi-ply labels include a base label ply and an overlaminate for capturing onserts between them. The base label plies carry an adhesive layer on the bottom surface for mounting the resealable multi-ply labels to articles. The base plies each include a hinge area, an attachment area, a tab area, and an intermediate area separating the hinge area from the attachment area. The overlaminates form permanent bonds with both the hinge areas and the tab areas of the base plies and form reusable bonds with the attachment areas of the base plies. The permanently bonded tab areas of the base plies provide access for releasing the overlaminates from the attachment areas of the base plies and exposing the onserts.

Abstract: A multilayer oriented film comprising at least one layer (a) comprising one or more polyesters and/or copolyesters characterized by a % of crystallinity higher than 15, an adjacent layer (b) comprising one or more polyolefin-based adhesive resins, and a layer (c) comprising one or more co-polyesters characterized by a % of crystallinity lower than 15, is positioned between said two layers (a) and (b) in such a way that one of the two principal surfaces of layer (c) is directly adhered to layer (a) and the other is directly adhered to layer (b). The presence of a co-polyester layer (c) of relatively low % crystallinity positioned between (co)polyester layer (a) and adhesive layer (b) remarkably increases the bond between the two layers (a) and (b) and prevents delamination problems in the oriented structure.

Abstract: An in-mold molded product according to the present invention includes: molded resin; a transfer film including an adhesive layer in contact with the molded resin; and a plurality of filler pieces, at least a part of volumes of the filler pieces being contained in the adhesive layer.

Abstract: In the production process of electronic parts, the static electricity generated when peeling a pressure-sensitive adhesive tape has interfered with the performance of the electronic parts. This problem has been solved by a pressure-sensitive adhesive tape for temporary fixing of electronic parts of the present invention including at least a supporting substrate film and a thermally expandable pressure-sensitive adhesive layer provided on one side of the substrate, wherein the thermally expandable pressure-sensitive adhesive layer contains thermally expandable microspheres and an ionic liquid; the content of the ionic liquid is 0.01 to 10 parts by weight based on 100 parts by weight of a polymer contained in the thermally expandable pressure-sensitive adhesive layer; the surface resistance of the thermally expandable pressure-sensitive adhesive layer is 1.0×1013 ?/? or less; and the ratio of the surface resistance after heating for foaming to that before the heating is 5.0 or less.

Abstract: A display sheet includes a substrate; front-side and rear-side synthetic resin composition layers formed on front and rear surfaces, respectively, of the substrate; and an ink layer formed by ink-jet on the front-side synthetic resin composition layer. The substrate is made of sailcloth having projections and depressions on front and rear surfaces thereof. A surface of the front-side synthetic resin composition layer is formed on an irregular surface having projections and depressions attributed to the projections and depressions of the surface of the substrate. The ink layer is formed by causing a fine ink to cover the projections and permeate the depressions.

Abstract: A steel plate-reinforcing material of a type giving vibration-damping performance to a steel plate including a restricted layer and a thermosetting foamed viscoelasticity layer, as tackifiers included in said thermosetting foamed viscoelasticity layer, the tackifiers including a terpene system resin, an aliphatic series system petroleum resin and an aromatic series system petroleum resin are used, a fiber is added to the thermosetting foamed viscoelasticity layer.

Abstract: A wax printing process, apparatus, formulation, and label. The process includes contacting a wax formulation with a surface having at least one etched region thereon, and confronting a carrier with the surface such that at least a portion of the wax transfers from the etched surface to the carrier. The apparatus includes a tray and a manifold positioned in the tray. In another aspect, the apparatus includes a gravure sleeve and a heatable mandrel disposed inside the gravure sleeve. The wax formulation includes a paraffin wax, an ester wax, a hydrocarbon resin, a microcrystalline wax, and an ethylene-vinyl acetate copolymer resin. The label includes a carrier and a wax release layer confronting a surface of the carrier. The wax release layer confronts less that the entire surface of the carrier.

Abstract: Adhesive tape suitable for flying splice of flat web material having non-polar surfaces which has been wound to form rolls, the adhesive tape comprising an upper self-adhesive composition (1, 11), a splittable carrier (2, 12) and a lower self-adhesive composition (3, 13) on the bottom face of the splittable carrier (2, 12), wherein as upper self-adhesive composition (1, 11) a silicone-free self-adhesive composition is used which has a bond strength to a polyethylene substrate of 1.5 N/cm or more (measurement method tesa test A) and an initial tack corresponding to a rolling distance of 200 mm or less (measurement method tesa test D), and as lower self-adhesive composition (3, 13) a self-adhesive composition is used which has a bond strength to a polyethylene substrate of 1.5 N/cm or more (measurement method tesa test A) and a complex viscosity of 10,000 Pa·s or more at 1 rad/s and 40° C. (measurement method tesa test F).

Abstract: The present application is directed to adhesive articles and release liners. Namely, the present application is directed to an article comprising an adhesive layer with a structured surface. The structured surface comprises a first groove and a second groove recessed into the adhesive layer from a reference plane defined by the adhesive surface on either rim of the groove. In some embodiments, the second groove is contained within the first groove, and in other embodiments the grooves are separate. The first groove and the second groove have walls. The wall angle of the first groove with respect to the reference plane is non-zero and is smaller than the wall angle of the second groove with respect to the reference plane. The application is also directed to release liners for the adhesive article, wherein the surface of the release liner is the inverse of the adhesive surface.

Abstract: Provided is a functional fiber and a fiber aggregate for realizing various functions, an adhesive for easily bonding electronic components, and a method for manufacturing the same. Particularly, a fiber extended in a length direction includes a carrier polymer and a plurality of functional particles, wherein the plurality of functional particles are embedded in the carrier polymer and physically fixed to the carrier polymer to be integrated.

Abstract: The present invention provides a pressure-sensitive adhesive tape having a substrate and a pressure-sensitive adhesive layer formed from a water-dispersible pressure-sensitive adhesive on at least one surface of the substrate, which has a back face-holding force of 2.0 mm or less at 100° C.

Abstract: [PROBLEM TO BE SOLVED] To provide a composite film having photo-curable property and weather resistance [MEANS FOR SOLVING] A composite film is one that includes at least a urethane polymer, wherein a ?b* value (value at an acceptance angle of 15 degrees) measured by a spectrocolorimeter after 120 hours in an accelerated weathering test and a ?b* value (value at an acceptance angle of 15 degrees) in an accelerated heat resistance test in a dark place under an atmosphere of 80° C. are both 4.0 or less. The composite film preferably has a ?b* value (value at an acceptance angle of 15 degrees) in an accelerated moist-heat resistance test in a dark place under an atmosphere of 85° C. and 85% relative humidity of 6.0 or less.

Abstract: A self-laminating rotating cable marker label is constructed of a transparent film having a first adhesive area, an adhesive-free smooth area, and a second adhesive area. A print-on area forms one side of the transparent film, the print-on area adapted to receive indicia identifying the cable about which the marker label is applied. A perforation extends across the transparent film providing a line of separation of the transparent film. When wrapped around a cable, the second adhesive area overlies the print-on area such that the cable identifying indicia is visible through the transparent second adhesive area. As the transparent film is wrapped around the cable, the first adhesive area adheres to the cable. The remainder of the transparent film is rotated, breaking the perforation, whereby the smooth area of the film in contact with the cable provides smooth rotation of the label around the cable.

Abstract: A work subject material comprising a metal plate for use in punching and/or bending and, attached thereto, a surface protection sheet, characterized in that the surface protection sheet comprises a support base material and an adhesive layer superimposed on one surface of the support base material and that the surface protection sheet exhibits a coefficient (I) not more than 21.0, a coefficient (II) not less than 4.0 and a coefficient (III) not more than 1.5, which are calculated by the following formulae: (I)=thickness of support base material (mm)×elongation at break of surface protection sheet (%); (II)=thickness of support base material (mm)×strength at break of surface protection sheet (N/20 mm); and (III)=coefficient (I)/coefficient (II).

Abstract: A non-slip or anti-slip buffer device which is to be affixed to the underside of shoulder straps of purses, bags, bras, shoulder straps on clothing, backpacks, luggage, cameras, guns, etc. . . . to help prevent the strap or straps from sliding off of the shoulder of the user while remaining concealed from view. The non-slip buffer device is a self-adhesive, flexible, semi-permanent, device made of a slip resistant material. Position the self-adhesive side to the underside of the strap at the shoulder area, the pressure created from the normal tension of the shoulder strap against the wearer's shoulder along with the slip resistant material or coating prevent or minimize slippage of the strap on the user's shoulder.

Abstract: The present invention provides a manufacturing method for efficiently and stably forming a pattern on a thin-film substrate. The method for manufacturing the thin-film substrate includes: stacking the thin-film substrate, a tackiness/adhesive agent for temporary fixing and a hard substrate in this order; fixing the thin-film substrate on the hard substrate through the tackiness/adhesive agent; then forming the pattern; and subsequently peeling the thin-film substrate at an interface between the thin-film substrate and the tackiness/adhesive agent.

Abstract: The present invention provides a water-dispersed acrylic PSA composition suitable for forming a PSA sheet. The PSA composition contains 0.5 to 15 parts by weight of an acrylic copolymer (polymer H) with a Tg of 30° C. to 120° C. in relation to 100 parts by weight of an acrylic copolymer (polymer L) with a Tg of ?70° C. to ?50° C. The polymer L is obtained by polymerization of a monomer starting material comprising 60 wt % or more of an alkyl (meth)acrylate with a C8-C12 alkyl group; and 0.5 to 10 wt % of a radical polymerizable monomer with a carboxyl group.