A polymer-modified asphalt composition comprises or is produced from asphalt and a high-melt flow index ethylene co/terpolymer comprising copolymerized units derived from ethylene, an epoxy-containing comonomers, and optionally a third monomer selected from the group consisting of acrylates, methacrylates, vinyl esters, and the like. The modified asphalt composition may further comprise a nonreactive polymer, such as a styrene/conjugated-diene block copolymer, and a co-reactant, such as an acid or an acid anhydride. Further provided are processes for producing the polymer-modified asphalt composition, and paving and roofing materials that comprise the polymer-modified asphalt composition.

A composition comprising: (1) 0.1 to 84.0 wt % of a polymeric resin selected from PVC homopolymers, PVC copolymers, CPVC, PLA, SAN, ASA, CPE, EVA, ABS, MBS, polycarbonate, conventional acrylic ester polymers or mixtures thereof; and (2) 16.0 to 99.9 wt % of a polyacrylate resin/material (PAM) composition comprising a polymer (A) phase and a polymer (B) phase present in a ratio of polymer (A) phase/polymer (B) phase of 50/50 to 90/10, polymer (A), having a glass transition temperature Tg below −40° C., comprising 95.0 to 99.5 wt % of a first polymeric component (A1) of one or more mono-ethylenically unsaturated monomers selected from the group consisting of alkyl acrylates having an alkyl group containing from 1 to 8 carbons, and 0.5 to 5.0 wt % of a second polymeric component (A2) of one or more polyethylenically unsaturated monomers, where the double bonds can be of the same or differing reactivity; and polymer (B), having a glass transition temperature Tg above 85° C., comprising a first polymeric component (B1) of one or more monoethylenically unsaturated monomers selected from the group consisting of alkyl methacrylates having an alkyl group containing from 1 to 4 carbons, and optionally, 1.0 to 10.0 wt % of other monomers, based on the total weight of the (B1) component, selected from alkyl acrylates, vinylbenzene or substituted vinylbenzenes or mixtures thereof, and optionally a second polymeric component (B2) comprising 0.3 to 2.5 wt % based on the total weight of polymer (B) of one or more polyethylenically unsaturated monomers where the unsaturated bonds can be of the same or differing reactivity.

A composition comprising: (1) 0.1 to 84.0 wt % of a polymeric resin selected from PVC homopolymers, PVC copolymers, CPVC, PLA, SAN, ASA, CPE, EVA, ABS, MBS, polycarbonate, conventional acrylic ester polymers or mixtures thereof; and (2) 16.0 to 99.9 wt % of a polyacrylate resin/material (PAM) composition comprising a polymer (A) phase and a polymer (B) phase present in a ratio of polymer (A) phase/polymer (B) phase of 50/50 to 90/10, polymer (A), having a glass transition temperature Tg below −40° C., comprising 95.0 to 99.5 wt % of a first polymeric component (A1) of one or more mono-ethylenically unsaturated monomers selected from the group consisting of alkyl acrylates having an alkyl group containing from 1 to 8 carbons, and 0.5 to 5.0 wt % of a second polymeric component (A2) of one or more polyethylenically unsaturated monomers, where the double bonds can be of the same or differing reactivity; and polymer (B), having a glass transition temperature Tg above 85° C., comprising a first polymeric component (B1) of one or more monoethylenically unsaturated monomers selected from the group consisting of alkyl methacrylates having an alkyl group containing from 1 to 4 carbons, and optionally, 1.0 to 10.0 wt % of other monomers, based on the total weight of the (B1) component, selected from alkyl acrylates, vinylbenzene or substituted vinylbenzenes or mixtures thereof, and optionally a second polymeric component (B2) comprising 0.3 to 2.5 wt % based on the total weight of polymer (B) of one or more polyethylenically unsaturated monomers where the unsaturated bonds can be of the same or differing reactivity.

A composition comprising: (1) 0.1 to 84.0 wt % of a polymeric resin selected from PVC homopolymers, PVC copolymers, CPVC, PLA, SAN, ASA, CPE, EVA, ABS, MBS, polycarbonate, conventional acrylic ester polymers or mixtures thereof; and (2) 16.0 to 99.9 wt % of a polyacrylate resin/material (PAM) composition comprising a polymer (A) phase and a polymer (B) phase present in a ratio of polymer (A) phase/polymer (B) phase of 50/50 to 90/10, polymer (A), having a glass transition temperature Tg below −40° C., comprising 95.0 to 99.5 wt % of a first polymeric component (A1) of one or more mono-ethylenically unsaturated monomers selected from the group consisting of alkyl acrylates having an alkyl group containing from 1 to 8 carbons, and 0.5 to 5.0 wt % of a second polymeric component (A2) of one or more polyethylenically unsaturated monomers, where the double bonds can be of the same or differing reactivity; and polymer (B), having a glass transition temperature Tg above 85° C., comprising a first polymeric component (B1) of one or more monoethylenically unsaturated monomers selected from the group consisting of alkyl methacrylates having an alkyl group containing from 1 to 4 carbons, and optionally, 1.0 to 10.0 wt % of other monomers, based on the total weight of the (B1) component, selected from alkyl acrylates, vinylbenzene or substituted vinylbenzenes or mixtures thereof, and optionally a second polymeric component (B2) comprising 0.3 to 2.5 wt % based on the total weight of polymer (B) of one or more polyethylenically unsaturated monomers where the unsaturated bonds can be of the same or differing reactivity.

Composite materials, specifically to materials used in medicine, in particular, in ophthalmology for the manufacturing of optical ophthalmic implants, mainly intraocular lenses (IOL), intended for vision correction after cataract removal. The polymerization rate of the material is controlled in order to eliminate defects in the ophthalmic implant profile, control the geometric dimensions, reduce the finished product glistening while keeping optimal physical and mechanical properties. The material for the manufacturing of ophthalmic implants by photo-polymerization method includes: a) 60-70 wt. % oligomer of urethanedi(meth)acrylate with terminal (meth)acrylate fragments; b) 20-40 wt. % of (meth)acrylate monomers with aromatic substituents in the side chain; c) 5-25 wt. % of (meth)acrylate monomers with aliphatic branched substituents in the side chain; d) at least 0.2 wt. % of a UV-absorbing component; e) 0.1 to 1 wt. % of photopolymerization initiator; and f) 0.005 to 0.5 wt. % of a radical polymerization inhibitor.

Composite materials, specifically to materials used in medicine, in particular, in ophthalmology for the manufacturing of optical ophthalmic implants, mainly intraocular lenses (IOL), intended for vision correction after cataract removal. The polymerization rate of the material is controlled in order to eliminate defects in the ophthalmic implant profile, control the geometric dimensions, reduce the finished product glistening while keeping optimal physical and mechanical properties. The material for the manufacturing of ophthalmic implants by photo-polymerization method includes: a) 60-70 wt. % oligomer of urethanedi(meth)acrylate with terminal (meth)acrylate fragments; b) 20-40 wt. % of (meth)acrylate monomers with aromatic substituents in the side chain; c) 5-25 wt. % of (meth)acrylate monomers with aliphatic branched substituents in the side chain; d) at least 0.2 wt. % of a UV-absorbing component; e) 0.1 to 1 wt. % of photopolymerization initiator; and f) 0.005 to 0.5 wt. % of a radical polymerization inhibitor.

The present invention relates to a polymeric processing aid its composition and its process of preparation and its use. In particular the present invention it relates to a polymeric processing aid and its use for highly filled halogen containing thermoplastic polymers. More particularly the present invention relates to a highly filled halogen containing polymer composition with a polymeric processing aid, its composition and its process of preparation.

The present invention relates to a polymeric processing aid its composition and its process of preparation and its use. In particular the present invention it relates to a polymeric processing aid and its use for highly filled halogen containing thermoplastic polymers. More particularly the present invention relates to a highly filled halogen containing polymer composition with a polymeric processing aid, its composition and its process of preparation.

An aqueous dispersion of a hydrophobically-modified alkali-soluble multistage polymer useful as a thickener affording high thickening efficiency and an aqueous coating composition comprising such aqueous dispersion showing good stability after heat aging without compromising stability upon addition of colorants.

An aqueous dispersion of a hydrophobically-modified alkali-soluble multistage polymer useful as a thickener affording high thickening efficiency and an aqueous coating composition comprising such aqueous dispersion showing good stability after heat aging without compromising stability upon addition of colorants.