Abstract: A reversibly crosslinkable (meth)acrylic copolymer composition includes a) (meth)acrylic copolymer chains having from 60 to 99.9 wt % methyl methacrylate monomer units and 0.01 to 15 wt % of unsaturated acid or anhydride monomer units with pendant acid and/or anhydride groups, and 0.1 to 20 wt % of one or more ionic crosslinking agents having at least one metal cation groups, with a valence of 2 or more. The composition is capable of forming reversible crosslinks between the pendant unsaturated acid or anhydride groups on other polymer chains by ionic bonding or complexation to form a crosslinked copolymer. Another composition includes one or more (meth)acrylic copolymer chains having 0.1 to 20 wt % of one or more unsaturated acids and/or anhydride groups pendant from the copolymer. A portion of the copolymer chains are reversibly crosslinked with other copolymer chains by i) ionic bonding or ii) a complexation.

Abstract: A composition includes one or more copolymers of one or more vinylidene aromatic monomers and one or more unsaturated compounds containing nucleophilic groups, and the copolymer has on average about 0.01 to about 15.0 percent by weight of nucleophilic groups pendant from the copolymer. The copolymer is chain extended and/or branched by one or more copolymers of one or more vinylidene aromatic monomers and one or more unsaturated compounds having electrophilic groups, or a portion of the chains of the copolymer of one or more vinylidene aromatic monomers and one or more nucleophilic groups are crosslinked with other chains of the copolymer of one or more vinylidene aromatic monomers and one or more nucleophilic groups by ionic bonding of anions formed from the pendant nucleophilic groups with a metal cation having a valence of 2 or greater or complexation between pendant acid groups and metal oxides.

Abstract: The present invention relates to a polymeric composition suitable for watercrafts or nautical applications. The present invention relates also the use of a transparent polymeric composition for watercrafts. More particularly the present invention relates to a transparent (meth)acrylic polymer composition and relates also to a process for preparing such a (meth)acrylic polymer composition, its use in watercrafts and watercraft comprising it.

Abstract: An impact modified hydrophobic acrylic composition includes (a) a hydrophobic acrylic copolymer having: (i) monomer units chosen from tert-butyl cyclohexyl methacrylate, 3,3,5-trimethylcyclohexyl(meth)acrylate, and a mixture thereof; (ii) methyl methacrylate monomer units; and (iii) optionally other monomer units copolymerizable with methyl methacrylate; (b) optionally, other (meth)acrylic copolymers; (c) one or more core-shell impact modifiers, wherein the core-shell impact modifiers have a volume average particle size of from 70 to 350 nm, wherein the melt flow rate of the impact modified hydrophobic acrylic composition is greater than 1.0/10 minutes at 230° C. under 3.8 kg; and wherein the notched Izod impact strength of the impact modified hydrophobic acrylic composition is greater than 4.5 kJ/m2.

Abstract: The invention relates to an acrylic copolymer composition, wherein said copolymer comprises one or more (meth)acrylic monomer units and hydrophilic 2-carboxyethyl acrylate (CEA) and/or (meth)acrylic acid (MAA or AA) hydrophilic monomer units. The copolymer may be an amphiphilic terpolymer further including hydrophobic monomer units, such as tert-butyl cyclohexyl (meth)acrylate, isobornyl methyl acrylate (IBOMA) and isobornyl acrylate (IBOA). The copolymers are designed to meet the requirements of high heat resistance, improved bonding adhesion, and exhibit excellent mechanical properties, along with excellent chemical resistance. The copolymers of the invention possess a high Tg along with sufficiently high molecular weight for applications in battery cathode binders, coatings, composites, glass-/carbon-fiber re-enforced composites, water filtration membranes, optical lenses, extruded films, laminates, and (co-)extruded sheets/profiles.

Abstract: The invention relates to a polymer alloy composition having a high flow rate, high heat resistance, and excellent chemical resistance. The polymer alloy contains a high molecular weight, hydrophobic acrylic polymer blended with a styrene-acrylonitrile (SAN) or acrylonitrile-styrene-acrylate (ASA) copolymer, and preferably with another high molecular weight (meth)acrylic polymer. The alloy is especially useful for automotive LED lenses and medical devices.

Abstract: Compounds that can be produced by a ring-opening reaction of epoxidized alkanes or epoxidized fatty acid esters having a molecular weight greater than 200 grams per mole are blended with polar polymers to improve the gloss of the polar polymers. These compounds include at least one polar functional group and are blended with polar polymers, or blends comprising at least one polar polymer, in order to improve the gloss of these polymers, such that they have suitable gloss right out of the manufacturing operation without the need for further painting or lamination steps. These compounds may also improve the impact strength of the polar polymers. Also disclosed are composite structures wherein an outer cap layer is made from the polar polymer blended with the gloss improving additive.

Abstract: In particular the present invention relates to polymeric composition comprising scattering particles for lightning applications or light guides. The invention also relates to a process for manufacturing such a polymeric composition comprising scattering particles for lightning applications or light guides. More particularly the present invention relates to a polymeric (meth)acrylic composition comprising inorganic scattering particles for lightning applications or light guides.

Abstract: Toughened thermoplastic polymers having elastomeric domains in thermoplastic polymer may be recycled by a method comprising dissolving the thermoplastic polymer in a solvent to form a solution, wherein the elastomer is dispersed within the solution as elastomer particulates or droplets, applying a sufficient centrifugal force to the solution to separate the elastomeric particulates or droplets from the solution to form a separated system and (c) recovering the thermoplastic polymer and elastomeric polymer by removing one or both from the separated system. The recovered elastomer and thermoplastic polymer may then be reused in the same type, similar or differing plastics avoiding degradation typically found when recycling toughened thermoplastic polymers.

Abstract: Poly(meth)acrylate formulations include acrylic copolymers having acrylic monomer units including xanthate, thiocarbonylthio, disulfide, or dithioester functionality. The acrylic copolymers can be blended with poly (meth)acrylate resins to provide a blended composition having a healable property. The xanthate, thiocarbonylthio, disulfide, or dithioester functionality can be activated by the addition of energy, such as heat, or radiation, to remove marring from the surface of a coating, film, or sheet.

Abstract: The invention relates to a flame retardant (meth)acrylate composition combining an impact-resistant (meth)acrylic polymer (such as Solarkote® resin from Trinseo) with specific levels of selected organic phosphinate and selected organic phosphorous flame retardants. The composition is halogen free, with superior flame performance, flowability and impact resistance. The composition of the invention is melt-processible and can be co-extruded with a thermoplastic substrate material to obtain a multilayer structure, having a tough, impact resistant cap layer(s). The obtained multilayer structure can be further thermoformed into useful profiles and structures, such as the exterior housing of EV charging stations and car wash stations, automotive applications, aerospace, and building and construction applications.

Abstract: Disclosed are hollow polymer spheres prepared from one or more hydrophilic ethylenically unsaturated monomers containing acid functionality, one or more nonionic hydrophilic ethylenically unsaturated monomers, and one or more hydrophobic ethylenically unsaturated monomers. Disclosed is a process for preparing such hollow spheres. The hollow spheres exhibit controlled particle size, which can have larger particle sizes, narrow particle size distributions and high void volume percentages.

Abstract: Binder compositions that are formaldehyde free and include a latex emulsion, an epoxysilane, an epoxy dispersion, a polyol or a latex emulsion, a styrenic copolymer having carboxylic acid functionality, an epoxysilane or an epoxy dispersion or a mixture of both, a polyol and, optionally, an additive, wherein the composition does not comprise formaldehyde are described.

Abstract: Articles may be formed from a thermoformable composition, the thermoformable composition including: a) about 35 wt % to about 95 wt % of an acrylic pre-polymerized syrup; b) about 0 wt % to about 10 wt % of a comonomer; and c) about 5 wt % to about 65 wt % of a filler having an average particle size (d50) in a range of about 0.1 ?m to about 50 ?m; wherein the article has a surface having a gloss measurement at a 60° measurement angle within a range of about 0 Gloss Units to about 20 Gloss Units, and a roughness Ra within a range of about 1 microinch to about 100 microinches. Methods may include producing a thermoformed article by the steps of: i) preparing a thermoformable composition; ii) casting the thermoformable composition into a sheet; and iii) thermoforming the cast sheet against a mold to produce a thermoformed article.

Abstract: A high Tg acrylic copolymer includes methyl methacrylate with one or more high Tg hydrophobic monomers. The copolymer includes: a) at least one of tert-butyl cyclohexyl methacrylate, 3,3,5-trimethylcyclohexyl(meth)acrylate, tetrahydrofurfuryl methacrylate, or a mixture thereof; and b) (meth)acrylate monomer. The copolymer has the following properties: i) Tg of from 116° C. to 140° C.; ii) Mw of at least 110,000; and iii) a residual monomer level of less than 1.0 weight percent. The copolymer exhibits high heat resistance, high light transmission, low haze, low moisture uptake, excellent environmental stability, excellent high temperature thermal stability, and excellent mechanical properties, along with excellent UV resistance. The high molecular weight hydrophobic copolymer of the invention has the excellent environmental stability required for electronic components in automotive, displays, smartphones, photovoltaics, and others.

Abstract: Polymeric resin compositions, and preferably acrylic or styrenic polymeric compositions, which are especially useful as a capstock material for coextrusion over, or lamination onto structural plastics. The polymeric capstock resin compositions contain an efficient small core-shell impact modifier that allows for a novel combination of properties: a high impact resistance capstock resin with high melt flow rate and low water haze that allows for better processability and durability for use in high temperature and high humidity environments. Multilayer structures formed using the polymeric capstock composition over a thermoplastic substrate.

Abstract: The present invention relates to a (meth)acrylic polymer composition. In particular the present invention it relates to polymeric composition suitable for security glazing. The invention also relates to a process for manufacturing such a polymeric composition suitable for security glazing. More particularly the present invention relates to a bullet resistant (meth)acrylic polymer composition and relates also to a process for preparing such a bullet resistant (meth)acrylic polymer composition and its use in glazing.

Abstract: Films having high light transmission values, low haze and high glass transition temperatures and useful, for example, as optical protection films and zero-zero optical retardation films, are prepared using one or more copolymers of methyl methacrylate having certain characteristics.

Abstract: A composition comprising: one or more polycarbonates; one or more vinylidene aromatic substituted polymers; and a buffer system that controls the pH in water at 25° C. at a value of about 6.0 to about 8.0. The composition may comprise the buffer system that has a pKa between about 4 and about 10. The composition may comprise: from about 10 or 50 to about 95 percent by weight of the one or more polycarbonates; from about 0.5 or about 10 to about 50 or about 90 percent by weight of the one or more vinylidene aromatic substituted monomers; and from about 0.005 percent to about 0.050 percent by weight of the buffer system; wherein weight is based on the total weight of the composition. The buffer system may be present in an amount from about 0.010 percent to about 0.040 percent by weight.

Abstract: Acrylic copolymers incorporating high Tg, hydrophobic (meth)acrylate monomers that have high thermal stability, especially under hot, humid conditions are provided. The acrylic copolymer includes, as polymerized monomers, a combination of monomer a) and monomer b). Monomer a) includes at least one of tert-butyl cyclohexyl (meth)acrylate, 3,3,5-trimethyl cyclohexyl (meth)acrylate, or a mixture thereof. This monomer or monomer blend a) is present in the acrylic copolymer at from 0.2 to 20 weight percent and includes at least 80 weight % trans isomer. Monomer b) is (meth)acrylate and is present in the acrylic copolymer at from 80 to 99.8 weight percent of the acrylic copolymer. The acrylic copolymer has a Tg of from 116° C. to 145° C. and a weight average molecular weight (Mw) of at least 65,000 g/mole.