C09D183/10

SILICONE-POLYESTER COPOLYMER, SEALANTS COMPRISING SAME, AND RELATED METHODS

A silicone-polyester copolymer has the formula X.sub.g[Z.sub.jY.sub.o].sub.c, where each X is an independently selected silicone moiety having a particular structure, each Y is an independently selected polyester moiety, each Z is an independently selected siloxane moiety, subscript c is from 1 to 150, subscript g is >1, 0≤j<2, and 0<o<2, with the proviso that j+o=2 in each moiety indicated by subscript c. Methods of preparing the silicone-polyester copolymer are also disclosed. Further, a sealant is disclosed, the sealant comprising the silicone-polyester copolymer and a condensation-reaction catalyst.

COATING COMPOSITION, A COMPOSITION FOR COATING FURNITURE OR BUILDING INTERIOR, AND AN ARTICLE COMPRISING THE COATING COMPOSITION
20220235228 · 2022-07-28 · ·

The purpose of the present invention is to provide a coating composition which gives a substrate excellent feel, abrasion resistance, stain resistance, flame retardancy, and weather resistance; and an article, furniture and a building interior material having a coating formed from the aforesaid coating composition. The present invention provides a coating composition comprising the following components (A) to (D): (A) an emulsion of a silicone acrylic copolymer resin which is a copolymer of 60 to 99 parts by mass of (a1) a polyorganosiloxane represented by the formula (1) and 1 to 40 parts by mass of (a2) an acrylic acid ester monomer and/or a methacrylic acid ester monomer, provided that a total amount of components (a1) and (a2) is 100 parts by mass, the emulsion being in an amount of 0.5 to 20 parts by mass as a solid content, (B) at least one resin emulsion in an amount of 20 to 80 parts by mass as a solid content, selected from the group consisting of acrylic resin emulsions other than component (A), urethane resin emulsions and alkyd resin emulsions, (C) pigment in an amount of 1 to 50 parts by mass, and (D) a flame retardant in an amount of 1 to 10 parts by mass, provided that a total mass of the solid contents of components (A) and (B) and the amounts of components (C) and (D) is 100 parts by mass.

COATING COMPOSITION, A COMPOSITION FOR COATING FURNITURE OR BUILDING INTERIOR, AND AN ARTICLE COMPRISING THE COATING COMPOSITION
20220235228 · 2022-07-28 · ·

The purpose of the present invention is to provide a coating composition which gives a substrate excellent feel, abrasion resistance, stain resistance, flame retardancy, and weather resistance; and an article, furniture and a building interior material having a coating formed from the aforesaid coating composition. The present invention provides a coating composition comprising the following components (A) to (D): (A) an emulsion of a silicone acrylic copolymer resin which is a copolymer of 60 to 99 parts by mass of (a1) a polyorganosiloxane represented by the formula (1) and 1 to 40 parts by mass of (a2) an acrylic acid ester monomer and/or a methacrylic acid ester monomer, provided that a total amount of components (a1) and (a2) is 100 parts by mass, the emulsion being in an amount of 0.5 to 20 parts by mass as a solid content, (B) at least one resin emulsion in an amount of 20 to 80 parts by mass as a solid content, selected from the group consisting of acrylic resin emulsions other than component (A), urethane resin emulsions and alkyd resin emulsions, (C) pigment in an amount of 1 to 50 parts by mass, and (D) a flame retardant in an amount of 1 to 10 parts by mass, provided that a total mass of the solid contents of components (A) and (B) and the amounts of components (C) and (D) is 100 parts by mass.

POLYMER, COMPOSITION, AND POLYSILOXANE-POLYIMIDE MATERIAL THEREOF

A polymer, a composition, and a polysiloxane-polyimide material thereof are provided. The polymer includes a first repeat unit and a second repeat unit. The first repeat unit has a structure represented by Formula (I) and the second repeat unit has a structure represented by Formula (II)

##STR00001##

wherein A.sup.1 and A.sup.3 are independently tetravalent moiety; A.sup.2 is a divalent moiety; n≥1; m≥1; R.sup.1 is independently hydrogen, C.sub.1-8 alkyl, C.sub.1-8 fluoroalkyl, C.sub.1-8 alkoxy, or C.sub.6-12 aryl; and R.sup.2 is independently hydrogen, C.sub.1-8 alkyl, C.sub.1-8 fluoroalkyl, C.sub.1-8 alkoxy, C.sub.6-12 aryl, or a reactive functional group.

ADDITION CURABLE COMPOSITION COMPRISING SILOXANE-IMIDE COPOLYMERS

A curable silicone adhesive composition comprising a heat stable siloxane-imide copolymer is shown and described herein. The composition includes an alkenyl silicone, a silicone hydride based cross linker, hydrosilylation catalyst and additives that is curable at relatively low temperatures and shows good heat stability.

ADDITION CURABLE COMPOSITION COMPRISING SILOXANE-IMIDE COPOLYMERS

A curable silicone adhesive composition comprising a heat stable siloxane-imide copolymer is shown and described herein. The composition includes an alkenyl silicone, a silicone hydride based cross linker, hydrosilylation catalyst and additives that is curable at relatively low temperatures and shows good heat stability.

SILOXANE-IMIDE COPOLYMER AND ADDITION CURABLE COMPOSITION COMPRISING SAME

A heat stable siloxane-imide copolymer and a curable silicone adhesive composition comprising such a siloxane-imide copolymer is shown and described herein. The composition includes an alkenyl silicone, a silicone hydride based cross linker, hydrosilylation catalyst and additives that is curable at relatively low temperatures and shows good heat stability.

SILOXANE-IMIDE COPOLYMER AND ADDITION CURABLE COMPOSITION COMPRISING SAME

A heat stable siloxane-imide copolymer and a curable silicone adhesive composition comprising such a siloxane-imide copolymer is shown and described herein. The composition includes an alkenyl silicone, a silicone hydride based cross linker, hydrosilylation catalyst and additives that is curable at relatively low temperatures and shows good heat stability.

CONDENSATION CURABLE COMPOSITION COMPRISING SILOXANE-IMIDE BASE POLYMER
20220195125 · 2022-06-23 ·

A condensation curable silicone adhesive composition comprising a siloxane-imide base polymer, condensation curable organopolysiloxane crosslinker, a condensation catalyst and an additive is shown and described herein. The composition is curable at relatively room temperatures and shows good heat stability

CONDENSATION CURABLE COMPOSITION COMPRISING SILOXANE-IMIDE BASE POLYMER
20220195125 · 2022-06-23 ·

A condensation curable silicone adhesive composition comprising a siloxane-imide base polymer, condensation curable organopolysiloxane crosslinker, a condensation catalyst and an additive is shown and described herein. The composition is curable at relatively room temperatures and shows good heat stability