Patent classifications
C08K5/1545
Curable Photochromic Composition Including A Segmented Polymer
The present invention is directed to a curable photochromic composition including (a) a photochromic compound; (b) a segmented polymer having active hydrogen groups, at least one first segment, and at least one second segment, wherein (i) each first segment independently includes a fluorinated polymer segment, and (ii) each second segment independently includes a segment selected from a polycarbonate segment, a polyester segment, a polyether segment, a polyurethane segment, and a segment of copolymers thereof; and (c) a curing agent having reactive functional groups that are reactive with the active hydrogen groups of the segmented polymer, wherein the curing agent includes at least one of a polyisocyanate, a polyisothiocyanate, or an aminoplast. Also provided are photochromic films and articles, including multilayer articles, which include the curable photochromic composition.
Curable Photochromic Composition Including A Segmented Polymer
The present invention is directed to a curable photochromic composition including (a) a photochromic compound; (b) a segmented polymer having active hydrogen groups, at least one first segment, and at least one second segment, wherein (i) each first segment independently includes a fluorinated polymer segment, and (ii) each second segment independently includes a segment selected from a polycarbonate segment, a polyester segment, a polyether segment, a polyurethane segment, and a segment of copolymers thereof; and (c) a curing agent having reactive functional groups that are reactive with the active hydrogen groups of the segmented polymer, wherein the curing agent includes at least one of a polyisocyanate, a polyisothiocyanate, or an aminoplast. Also provided are photochromic films and articles, including multilayer articles, which include the curable photochromic composition.
Polypropylene composition for use in BOPP application, a process for preparing BOPP films and said BOPP film
The invention relates to a composition comprising: a) a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 1.5 wt % based on the weight of the propylene-ethylene copolymer, said a propylene homopolymer or propylene-ethylene copolymer having: i) a Mw/Mn in the range of 4.0 to 12, wherein Mw stands for the weight average molecular weight and Mn stands for the number average molecular weight and wherein Mw and Mn are measured according to ASTM D6474-12; ii) an XS in the range from 1.0 to 8.0 wt %, wherein XS stands for the amount of xylene solubles which are measured according to ASTM D 492-10; and iii) a melt flow rate in the range of 1 to 10 dg/minas measured according to ISO1133:2011(2.16 kg/230° C.); b) a first additive, being one or more tocopherols and/or one or more tocotrienols; and c) a second additive, being an organic acid scavenger. The invention moreover relates to a biaxially oriented polypropylene (BOPP) film comprising said composition, to a process for the preparation of a biaxially oriented polypropylene (BOPP) film and to the use of the composition for the preparation of an article, preferably a BOPP film.
Polypropylene composition for use in BOPP application, a process for preparing BOPP films and said BOPP film
The invention relates to a composition comprising: a) a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 1.5 wt % based on the weight of the propylene-ethylene copolymer, said a propylene homopolymer or propylene-ethylene copolymer having: i) a Mw/Mn in the range of 4.0 to 12, wherein Mw stands for the weight average molecular weight and Mn stands for the number average molecular weight and wherein Mw and Mn are measured according to ASTM D6474-12; ii) an XS in the range from 1.0 to 8.0 wt %, wherein XS stands for the amount of xylene solubles which are measured according to ASTM D 492-10; and iii) a melt flow rate in the range of 1 to 10 dg/minas measured according to ISO1133:2011(2.16 kg/230° C.); b) a first additive, being one or more tocopherols and/or one or more tocotrienols; and c) a second additive, being an organic acid scavenger. The invention moreover relates to a biaxially oriented polypropylene (BOPP) film comprising said composition, to a process for the preparation of a biaxially oriented polypropylene (BOPP) film and to the use of the composition for the preparation of an article, preferably a BOPP film.
Polypropylene composition for use in BOPP application, a process for preparing BOPP films and said BOPP film
The invention relates to a composition comprising: a) a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 1.5 wt % based on the weight of the propylene-ethylene copolymer, said a propylene homopolymer or propylene-ethylene copolymer having: i) a Mw/Mn in the range of 4.0 to 12, wherein Mw stands for the weight average molecular weight and Mn stands for the number average molecular weight and wherein Mw and Mn are measured according to ASTM D6474-12; ii) an XS in the range from 1.0 to 8.0 wt %, wherein XS stands for the amount of xylene solubles which are measured according to ASTM D 492-10; and iii) a melt flow rate in the range of 1 to 10 dg/minas measured according to ISO1133:2011(2.16 kg/230° C.); b) a first additive, being one or more tocopherols and/or one or more tocotrienols; and c) a second additive, being an organic acid scavenger. The invention moreover relates to a biaxially oriented polypropylene (BOPP) film comprising said composition, to a process for the preparation of a biaxially oriented polypropylene (BOPP) film and to the use of the composition for the preparation of an article, preferably a BOPP film.
Natural crystalline colorant and process for production
A crystalline pigment or colorant composition having high color intensity and/or low sugar content, and methods and processes of preparation. The composition may comprise purified fruit and/or vegetable color juices.
Natural crystalline colorant and process for production
A crystalline pigment or colorant composition having high color intensity and/or low sugar content, and methods and processes of preparation. The composition may comprise purified fruit and/or vegetable color juices.
RUBBER COMPOSITION AND TIRE
Provided is a rubber composition being excellent in cut resistance while maintaining good elongation fatigue resistance. The rubber composition of the present disclosure contains a rubber component containing 70% by mass or more of natural rubber, a filler containing at least silica, and a cyclic polyol compound having a hydrocarbyl group of 0.1 parts by mass to 2 parts by mass with respect to 100 parts by mass of the natural rubber in the rubber component.
RUBBER COMPOSITION AND TIRE
Provided is a rubber composition being excellent in cut resistance while maintaining good elongation fatigue resistance. The rubber composition of the present disclosure contains a rubber component containing 70% by mass or more of natural rubber, a filler containing at least silica, and a cyclic polyol compound having a hydrocarbyl group of 0.1 parts by mass to 2 parts by mass with respect to 100 parts by mass of the natural rubber in the rubber component.
RUBBER COMPOSITION AND TIRE
Provided is a rubber composition being excellent in cut resistance while maintaining good elongation fatigue resistance. The rubber composition of the present disclosure contains a rubber component containing 70% by mass or more of natural rubber, a filler containing at least silica, and a cyclic polyol compound having a hydrocarbyl group of 0.1 parts by mass to 2 parts by mass with respect to 100 parts by mass of the natural rubber in the rubber component.