A compound is provided, having the formula (I), wherein R.sub.S is a soft block polymer; wherein each T is independently a urethane or urea linkage; see formulae (A) and (B); wherein each R.sub.D is independently CH.sub.3, CH.sub.2CH.sub.3, CH.sub.2CH.sub.2CH.sub.3, or CH.sub.2CH.sub.2CH.sub.2CH.sub.3; wherein each R.sub.D is independently CH.sub.3, CH.sub.2CH.sub.3, CH.sub.2CH.sub.2CH.sub.3, CH.sub.2CH.sub.2CH.sub.2CH.sub.3, or OR.sub.D; and wherein each p is independently 1, 2, or 3. Compositions containing the compound, and methods of making and using the compound are provided.

##STR00001##

Crosslinkers based on alkoxysilanes and alkoxysilane mixtures containing an isocyanate group can be used as a starting component in the production of coating compositions or as paint binder component, or can be used with adhesive o sealant binders o binder components having g ups reactive toward alkoxysilane groups.

Crosslinkers based on alkoxysilanes and alkoxysilane mixtures containing an isocyanate group can be used as a starting component in the production of coating compositions or as paint binder component, or can be used with adhesive o sealant binders o binder components having g ups reactive toward alkoxysilane groups.

Provided is a room temperature-curable organopolysiloxane composition that is superior in fast curably, can form a cured product superior in storage stability and durability, and can further be produced in an industrially advantageous manner using more highly versatile materials. The room temperature-curable organopolysiloxane composition contains: (A) an organopolysiloxane represented by the following general formula (1) ##STR00001## wherein R.sup.1 represents a hydrogen atom or a monovalent hydrocarbon group, and n represents an integer of not smaller than 1; (B) a hydrolyzable organic silicon compound and/or a partial hydrolysis condensate thereof represented by the following general formula (2) ##STR00002## wherein R.sup.1 represents a hydrogen atom or a monovalent hydrocarbon group, R.sup.2 represents an alkyl group or a cycloalkyl group, and a represents an integer of 1 to 3; and (C) a curing catalyst.

Provided is a room temperature-curable organopolysiloxane composition that is superior in fast curably, can form a cured product superior in storage stability and durability, and can further be produced in an industrially advantageous manner using more highly versatile materials. The room temperature-curable organopolysiloxane composition contains: (A) an organopolysiloxane represented by the following general formula (1) ##STR00001## wherein R.sup.1 represents a hydrogen atom or a monovalent hydrocarbon group, and n represents an integer of not smaller than 1; (B) a hydrolyzable organic silicon compound and/or a partial hydrolysis condensate thereof represented by the following general formula (2) ##STR00002## wherein R.sup.1 represents a hydrogen atom or a monovalent hydrocarbon group, R.sup.2 represents an alkyl group or a cycloalkyl group, and a represents an integer of 1 to 3; and (C) a curing catalyst.

The present invention relates polysiloxane based aerogels obtained by reacting a functionalised poly(dimethylsiloxane) oligomer and an aliphatic or aromatic isocyanate compound in a presence of a catalyst and a solvent. A polysiloxane based aerogels according to the present invention provide high thermal insulation material, while good mechanical properties and performance is maintained.

The present invention relates polysiloxane based aerogels obtained by reacting a functionalised poly(dimethylsiloxane) oligomer and an aliphatic or aromatic isocyanate compound in a presence of a catalyst and a solvent. A polysiloxane based aerogels according to the present invention provide high thermal insulation material, while good mechanical properties and performance is maintained.

The present invention provides a polyimide film forming composition which comprises a polyamic acid or a polyimide in an oligomer form or in a low-molecular weight form, the polyamic acid or the polyimide being prepared from a diamine containing an intramolecular imide group, and thus can provide a polyimide film having improved heat resistance while retaining optical properties thereof. In addition, the polyimide film according to the present invention can reduce not only a laser energy density (E/D) required in the laser exfoliation process but also remarkably decrease an amount of ash generated by an exfoliation process, thereby further improving the reliability of a device in a display manufacturing process.

The present invention provides a polyimide film forming composition which comprises a polyamic acid or a polyimide in an oligomer form or in a low-molecular weight form, the polyamic acid or the polyimide being prepared from a diamine containing an intramolecular imide group, and thus can provide a polyimide film having improved heat resistance while retaining optical properties thereof. In addition, the polyimide film according to the present invention can reduce not only a laser energy density (E/D) required in the laser exfoliation process but also remarkably decrease an amount of ash generated by an exfoliation process, thereby further improving the reliability of a device in a display manufacturing process.

The invention relates to a two-component aqueous coating composition comprising: A an aqueous resin component comprising a carboxyl-functional resin; and B a substantially water-free hardener component comprising: a carbodiimide comprising in the range of from 1 to 20 carbodiimide moieties and terminal and/or pendant non-ionic emulsifying groups; and an alkoxysilane selected from the groups consisting of an organo-functional alkoxysilane of general formula (I) R1[-(CH2)n-Si(OR2)3-m(R3)m]p (I) and a tetraalkylorthosilicate of general formula (II) Si(OR2)4 (II) wherein m is 0 or 1; n is an integer with a value in the range of from 0 to 6; p is 1 or 2; R.sup.1 is an organic group comprising an epoxide group, a vinyl group, or a (meth)acryloyl group, or is a hydrogen atom and R.sup.1 does not comprise a carboxylic functional group, a mercapto-functional group, or an amine-functional group; R.sup.2 is an alkyl group having 1 to 4 carbon atoms; and R.sup.3 is an alkyl group having 1 to 4 carbon atoms, wherein the weight ratio of the carbodiimide to the alkoxysilane in hardener component B is in the range of from 10:90 to 85:15.