A cosmetic preparation containing a crosslinkable silicone rubber emulsion comprising (A) 100 parts by weight of a straight chain or branched organopolysiloxane containing at least two hydroxyl groups bonded to the silicon atom per molecule prepared by ring-opening polymerization of a cyclic organosiloxane in the presence of an alkoxysilane or its partial hydrolytic condensate or an ,-dihydroxy or dialkoxy siloxane oligomer by using a catalyst selected from citric, lactic, and ascorbic acids and an anionic surfactant emulsifier; and (B) 0.5 to 20 parts by weight of a reaction product of an amino group-containing organoxysilane and an acid anhydride.

Azocarbonyl-functionalized silanes of formula I
(R.sup.1).sub.3-a(R.sup.2).sub.aSiR.sup.1NHC(O)N?NR.sup.4(I)
and methods for their production are provided. The silanes of formula (I) are useful in rubber mixtures to provide moldings having improved tear-resistance.

Azocarbonyl-functionalized silanes of formula I
(R.sup.1).sub.3-a(R.sup.2).sub.aSiR.sup.1NHC(O)N?NR.sup.4(I)
and methods for their production are provided. The silanes of formula (I) are useful in rubber mixtures to provide moldings having improved tear-resistance.

A polymer is provided. The polymer includes a first repeating unit represented by Formula (I) and a second repeating unit represented by Formula (II):

##STR00001##

wherein Y.sub.1 and Y.sub.2 are independently H, CH.sub.3, or CH.sub.2CH.sub.3; n is an integer ranging from 1 to 25; and the molar ratio of the first repeating unit to the second repeating unit is from 5:95 to 15:45. A resin composition including the aforementioned polymer is also provided.

A polymer is provided. The polymer includes a first repeating unit represented by Formula (I) and a second repeating unit represented by Formula (II):

##STR00001##

wherein Y.sub.1 and Y.sub.2 are independently H, CH.sub.3, or CH.sub.2CH.sub.3; n is an integer ranging from 1 to 25; and the molar ratio of the first repeating unit to the second repeating unit is from 5:95 to 15:45. A resin composition including the aforementioned polymer is also provided.

The present invention relates to a curable epoxy resin composition comprising at least one epoxy resin, at least one epoxy resin curing agent, in particular selected from polyamines, and at least one silane selected from the group consisting of (meth)acrylamidoalkylsilanes, cyanoalkyl silanes and a combination of at least one (meth)acrylalkylsilane and at least one phosphine oxide compound, improved, in particular, waterborne epoxy resin coating compositions comprising the same, a kit of an epoxy resin composition and the curing composition, cured articles articles made from the epoxy resin compositions, in particular, coatings, and the use of the epoxy resin compositions for the manufacture of various industrial goods.

The present invention relates to a curable epoxy resin composition comprising at least one epoxy resin, at least one epoxy resin curing agent, in particular selected from polyamines, and at least one silane selected from the group consisting of (meth)acrylamidoalkylsilanes, cyanoalkyl silanes and a combination of at least one (meth)acrylalkylsilane and at least one phosphine oxide compound, improved, in particular, waterborne epoxy resin coating compositions comprising the same, a kit of an epoxy resin composition and the curing composition, cured articles articles made from the epoxy resin compositions, in particular, coatings, and the use of the epoxy resin compositions for the manufacture of various industrial goods.

A polyarylene sulfide resin composition includes: 100 parts by weight of (A) a polyarylene sulfide; and 10 to 200 parts by weight of (B) a glass fiber, wherein, when a cumulative integral value from a molecular weight of 100 to a molecular weight of 10,000 in a molecular weight distribution curve of (A) the polyarylene sulfide is taken as 100, the cumulative integrated value at a molecular weight of 4,000 is 48 to 53, and when a melt flow rate of the polyarylene sulfide is defined as MFR1, and when the melt flow rate obtained after mixing the polyarylene sulfide with an epoxy silane coupling agent at a weight ratio of 100:1, and heating the resulting mixture at 315.5? C. for 5 minutes is defined as MFR2, a rate of change represented by MFR2/MFR1 is not more than 0.085.

A polyarylene sulfide resin composition includes: 100 parts by weight of (A) a polyarylene sulfide; and 10 to 200 parts by weight of (B) a glass fiber, wherein, when a cumulative integral value from a molecular weight of 100 to a molecular weight of 10,000 in a molecular weight distribution curve of (A) the polyarylene sulfide is taken as 100, the cumulative integrated value at a molecular weight of 4,000 is 48 to 53, and when a melt flow rate of the polyarylene sulfide is defined as MFR1, and when the melt flow rate obtained after mixing the polyarylene sulfide with an epoxy silane coupling agent at a weight ratio of 100:1, and heating the resulting mixture at 315.5? C. for 5 minutes is defined as MFR2, a rate of change represented by MFR2/MFR1 is not more than 0.085.

Provided is a resin composition characterized by containing (a) a polyimide precursor that has a 308 nm absorbance of 0.1-0.8 when formed into 0.1-?m-thick polyimide resin film by heating for one hour at 350? C., and (b) an alkoxysilane compound having a 308 nm absorbance of 0.1-1.0 at a solution thickness of 1 cm when made into a 0.001-mass % NMP solution.