摘要:
This graft copolymer is obtainable by polymerization of a vinyl-based monomer mixture (m1) including an aromatic vinyl compound and a vinyl cyanide compound, in the presence of: an ethylene·α-olefin copolymer (A) which has a mass average molecular weight (Mw) of 17×10 4 to 35×10 4 and a distribution of molecular weight (Mw/Mn) of 1 to 3; or a cross-linked ethylene·α-olefin copolymer (C) obtainable by cross-linking treatment of the ethylene·α-olefin copolymer (A).
摘要:
The present invention relates to an article of manufacture, comprising: A. At least one resin having hydroxyl groups, at least one compound having two or more isocyanate groups and a distannoxane tin catalyst; or B. At least one resin having isocyanate groups, at least one compound having two or more hydroxyl groups and a distannoxane tin catalyst;
the distannoxane tin catalyst having a bis(alkoxide) ligand and characterized by the tin having a +4 oxidation state.
摘要:
The invention relates to a polar group functionalized copolymer useful to prepare a nanocomposite polymer and to the nanocomposite polymer, wherein the polar group functionalized copolymer useful to prepare a nanocomposite polymer and the nanocomposite polymer are as defined in the specification.
摘要:
This invention provides a graft modified polypropylene polymer which does not contain halogens, is excellent in certain properties such as solubility and can add good adhesiveness and coating ability to crystalline propylene polymer base materials, and a composition containing the same; and in particular, it provides a propylene polymer which contains a propylene polymer main chain having a stereo-block structure containing an isotactic block and a side chain containing a carboxylic acid group, an acid anhydride group or a carboxylic acid ester group, wherein when it is dissolved in toluene to a concentration of 10% by weight at 25 DEG C, the insoluble matter is 1% by weight or less based on the total polymer, and a composition containing the same.
摘要:
The invention relates to graft polymers based on ethylene-α-olefin rubbers, a method for the production thereof, and rubber-modified molded thermoplastic materials which are provided with improved weathering resistance and contain the inventive graft polymers.