摘要:
An epoxy resin containing group(s) of formula (1) and having a number average molecular weight of 400-10,000, an epoxy equivalent of 100-5,000 and an average number of glycidyl ether groups per molecule of 2-50 wherein A is a group (wherein R3 is a saturated aliphatic polyhydric alcohol residue having 2 to 30 carbon atoms, D is oxyalkylene group, a, b, c and d are 0-25, e and f are 0-4, e+f equals 0-4 and a+b+c×e+d×f equals 0-50), and B is (g, h are 0-18), etc. and R1 and R2 are H, glycidyl or a group of the formula wherein A and B are as defined above, and R7, R8 and R9 are H or glycidyl group; its preparation, and photo-curable and powder coating resin compositions containing the same.
摘要翻译:包含式(1)基团并且数均分子量为400-10,000,环氧当量为100-5,000的环氧树脂和每分子2-50的缩水甘油醚基团的平均数,其中A为基团 (其中R3是碳原子数2〜30的饱和脂肪族多元醇残基,D为氧化烯基,a,b,c和d为0〜25,e和f分别为0-4,e + f为0-4, a + b + cxe + dxf等于0-50),B为(g,h为0-18)等,R 1和R 2为H,缩水甘油基或一组甲醛和A如上所定义, 并且R 7,R 8和R 9为H或缩水甘油基; 其制备方法和含有该组合物的光固化和粉末涂料树脂组合物。
摘要:
Disclosed are an epoxidized polyester which comprises, per molecule, at least three bifunctional groups each having the general formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each is a hydrogen atom or an alkyl group containing 1 to 5 carbon atoms, or R.sup.1 and R.sup.2 taken together represent an endomethylene group, and which has a number average molecular weight of about 1,000 to about 10,000, as well as processes for preparing the epoxidized polyester.
摘要:
This invention provides a granular or powdery diacetal composition comprising: (a) at least one diacetal such as 1,3:2,4-O-dibenzylidene-D-sorbitol or a nucleus-substituted derivative thereof, and (b) at least one binder selected from the group consisting of neutral or weakly acidic monovalent organic acids, neutral or weakly acidic polyvalent organic acids, partial salts of neutral or weakly acidic polyvalent organic acids, salts of sulfuric acid ester, sulfonic acid salts, salts of phosphoric acid ester, phosphoric acid esters, phosphorous acid esters and aluminum salts of a neutral or weakly acidic monovalent organic acid, the binder being uniformly dispersed on the surface and in the interior of the particles of the granular or powdery diacetal composition; a process for preparing the composition; a polyolefin resin nucleating agent comprising the composition; a resin composition containing the nucleating agent and a polyolefin resin; and a polyolefin resin molded article.
摘要:
Disclosed are a granular or powdery diacetal composition comprising (A) a diacetal such as 1,3:2,4-O-dibenzylidene-D-sorbitol, (B) a sulfuric ester salt and (C) an aliphatic monocarboxylic acid, components (B) and (C) being uniformly dispersed in the particles of the granular or powdery diacetal composition, and component (B) being present in a proportion of 0.1 to 3 wt % and component (C) being present in a proportion of 0.3 to 5 wt %, and the total amount of component (B) and component (C) being not more than 7 wt %, based on the diacetal composition; a polyolefin resin composition comprising the diacetal composition and a polyolefin resin; a process for preparing the resin composition; and a molding prepared by molding the polyolefin resin composition.
摘要:
The invention provides a gelling agent comprising at least one sugar compound selected from the group consisting of sugar compounds represented by the formula (1) and sugar compounds represented by the formula (2). wherein R1 and R2 are the same or different and each represents an alkyl group having 1 to 3 carbon atoms, an alkoxyl group having 1 to 3 carbon atoms or a halogen atom, and p is 0 or 1. The gelling agent of the invention is very useful as a gelling agent for an aqueous medium.