Abstract: The present invention is directed to compositions comprising (a) a synthetic polymer, (b) a talc as a filler, wherein the talc particles have a mean particle size of from 0.4 to 25 ?m, and are present in an amount of from 0.1 to 10% based on the weight of component (a) and (c) a dispersing agent which is based on a non-ionic surfactant or an amphiphilic statistical, block or comb copolymer, provided that when the synthetic polymer (a) is a polyamide, this is present in an amount of less than 55% based on the weight of (a), (b) and (c).

Abstract: The present invention relates to a compound comprising a photochromic moiety and at least one substituent comprising a polymer chain having a carbon backbone and a plurality of functional moieties appended to the carbon backbone.

Abstract: This invention relates to a polymerizable composition for forming a photochromic article having a glass transition temperature of at least 50° C. on curing the composition comprising: (a) a polymerizable composition comprising a monomer component; and (c) a photochromic dye monomer comprising a photochromic moiety and at least one oligomer group having at least one group reactive with the monomer component during curing wherein the oligomer group comprises at least seven polyether monomer units selected from alkylenoxy and haloalkylenoxy.

Abstract: This invention relations to a polymerizable composition for forming a photochromic article of glass transition temperature of at least 50 ° C. on curing, the composition comprising: (a) a polymerizable composition comprising a monomer component or resin formed therefrom; and (b) a photochromic dye monomer comprising a photochromic moiety and at least one oligomeric group having at least one group reactive with the monomer component during or following curing wherein the oligomer group comprises a multiplicity of monomer units selected from siloxane, alkylene and substituted alkylene.

Abstract: A process for modifying a polypropylene (co)polymer wherein said process comprises melt mixing the polypropylene (co)polymer in the presence of an initiator wherein said initiator is selected from the group defined by formula (1), wherein R is selected from the group consisting of optionally substituted C1 to C18 acyl, optionally substituted C1 to C18 alkyl, aroyl defined by formula (2), and compounds of formula (3), wherein U, V, X, Y, Z, U?, V?, X?, Y? and Z? are independently selected from the group consisting hydrogen; halogen; C1-C18 alkyl; C1-C18 alkoxy, aryloxy, acyl, acyloxy, aryl, carboxy, alkoxycarbonyl, aryloxycarbonyl, trialkyl silyl, hydroxy, or a moiety of formula (4), and wherein T is alkylene.

Abstract: A polymer blend comprising a polyester, a polyfunctional acid anhydride wherein said polyfunctional acid anhydride has a functionality as described herein of three or more, and a polyhydric alcohol or precursor thereto wherein said polyhydric alcohol has a functionality of three or more, and wherein said molar ratio of said polyfunctional acid anhydride to the polyhydric alcohol or precursor thereto is in the range of 0.5:1 to (10×C):1, where C is the number of moles of alcohol or equivalent in the polyhydric alcohol or precursor thereto.