EP0186839A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Polyorganosiloxane compositions for surface treatment
Assignee: Momentive Performance Materials Japan LLC
•
Filing: 1985-12-16
•
Granted: —
•
Expires: 2005-12-16
Abstract
Abstract Polyorganosiloxane compositions for surface treatment comprising: (A) a polydiorganosiloxane having a viscosity of 50 cSt to 10,000,000 cSt at 25°C, the terminal units of which are blocked by hydroxy groups; (B) a curing agent which comprises a mixture of: (1) a polyorgansiloxane composed of structural units represented by the formula: wherein, R 1 s are the same or different and each represents a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbyl group and at least two R 1 s out of the total R 1 s in a molecule are monovalent hydrocarbyl groups substituted by an epoxy-containing group; and a represents an integer of 1 to 3, and having a polymerization degree of 10 to 5,000, (2) a silane and/or a siloxane having a substituted or unsubstituted amino group bonded to a silicon atom via at least one carbon atom and also having at least one alkoxy group bonded to a silicon atom; at a proportion of 0.1 to 10 amino groups contained in (2) per epoxy-containing group contained in (1); a partially reacted product thereof; or a mixture of the partially reacted product thereof with (1) and/or (2); and (C) a polymethyisilsesquioxane having a mean particte diameter of 0.1 to 100 µm.
Inventors
- 👤 Heiju Sumida
- 👤 Hiroshi Kimura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 22:12
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C09; C09D; C09D183/00; C09D183/04; C08G; C08G77/00; C08G77/04; C08G77/12; C08G77/14; C08G77/16
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
40 words
Polyorganosiloxane compositions for surface treatment comprising: (A) a polydiorganosiloxane having a viscosity of 50 cSt to 10,000,000 cSt at 25 °C, the terminal units of which are blocked by hydroxy groups; (B) a curing agent which comprises a mixture of:
Claim 2
Dependent Claim
40 words
Polyorganosiloxane compositions for surface treatment comprising: (A) a polydiorganosiloxane having a viscosity of 50 cSt to 10,000,000 cSt at 25 °C, the terminal units of which are blocked by hydroxy groups; (B) a curing agent which comprises a mixture of:
Claim 3
Dependent Claim
78 words
(1) a polyorganosiloxane composed of structural units represented by the formula: wherein, R 1 s are the same or different and each represents a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbyl group and at least two R 1 s out of the total R 1 's in a molecule are monovalent hydrocarbyl groups substituted by an epoxy-containing group; and a represents an integer of 1 to 3, and having a polymerization degree of 10 to 5,000;
Claim 4
Dependent Claim
78 words
(1) a polyorganosiloxane composed of structural units represented by the formula: wherein, R 1 s are the same or different and each represents a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbyl group and at least two R 1 s out of the total R 1 's in a molecule are monovalent hydrocarbyl groups substituted by an epoxy-containing group; and a represents an integer of 1 to 3, and having a polymerization degree of 10 to 5,000;
Claim 5
Dependent Claim
87 words
(2) a silane and/or a siloxane having a substituted or unsubstituted amino group bonded to a silicon atom via at least one carbon atom and also having at least one alkoxy group bonded to a silicon atom; at a proportion of 0.1 to 10 amino groups contained in (2) per epoxy-containing group contained in (1); a partially reacted product thereof; or a mixture of the partially reacted product thereof with (1) and/or (2); and (C) a polymethylsilsesquioxane having a mean particle diameter of 0.1 to 100 µm.
Claim 6
Dependent Claim
87 words
(2) a silane and/or a siloxane having a substituted or unsubstituted amino group bonded to a silicon atom via at least one carbon atom and also having at least one alkoxy group bonded to a silicon atom; at a proportion of 0.1 to 10 amino groups contained in (2) per epoxy-containing group contained in (1); a partially reacted product thereof; or a mixture of the partially reacted product thereof with (1) and/or (2); and (C) a polymethylsilsesquioxane having a mean particle diameter of 0.1 to 100 µm.
Claim 7
Dependent Claim
26 words
The compositions according to Claim 1, wherein R 1 in polyorganosiloxane (B)(1) is a monovalent hydrocarbyl group substituted by a methyl group and an epoxy-containing group.
Claim 8
Dependent Claim
32 words
The compositions according to Claim 1, wherein the substituted or unsubstituted amino group in the silane and/or siloxane of (B)(2) is bonded to a silicon atom via at least three carbon atoms.
Claim 9
Dependent Claim
36 words
The compositions according to Claim 1, wherein polymethylsilsesquioxane (C) is a fine powdery polymethytsil- sesquioxane obtained by hydrolysing and condensing methyltrialkoxysilane, or the hydrolysate and condensate in part thereof, in an aqueous ammonia or an amine.
Claim 10
Dependent Claim
19 words
The compositions according to Claim 1 , wherein the mean particle diameter of (C) is 0.1 to 20 µm.
Claim 11
Dependent Claim
36 words
Polyorganosiloxane compositions for surface treatment comprising: (A) a polydiorganosiloxane having a viscosity of 50 cSt to 10,000,000 cSt at 25 °C, the terminal units of which are blocked by hydroxy groups; (B) a curing agent comprising;
Claim 12
Dependent Claim
36 words
Polyorganosiloxane compositions for surface treatment comprising: (A) a polydiorganosiloxane having a viscosity of 50 cSt to 10,000,000 cSt at 25 °C, the terminal units of which are blocked by hydroxy groups; (B) a curing agent comprising;
Claim 13
Dependent Claim
84 words
(1) a polyorganosiloxane composed of structural units represented by the formula: (R I ) a SiO (4-a)/2 wherein, R 1 s are the same or different and each reprecents a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbyl group and at least two R 1 s out of the total R 1 s in a molecule are monovalent hydrocarbyl groups substituted by an epoxy-containing group; and a represents an integer of 1 to 3, and having a polymerization degree of 10 to 5,000,
Claim 14
Dependent Claim
84 words
(1) a polyorganosiloxane composed of structural units represented by the formula: (R I ) a SiO (4-a)/2 wherein, R 1 s are the same or different and each reprecents a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbyl group and at least two R 1 s out of the total R 1 s in a molecule are monovalent hydrocarbyl groups substituted by an epoxy-containing group; and a represents an integer of 1 to 3, and having a polymerization degree of 10 to 5,000,
Claim 15
Dependent Claim
35 words
(2) a silane and/or siloxane having a substituted or unsubstituted amino group bonded to a silicon atom via at least one carbon atom and having at least one alkoxy group bonded to a silicon atom;
Claim 16
Dependent Claim
35 words
(2) a silane and/or siloxane having a substituted or unsubstituted amino group bonded to a silicon atom via at least one carbon atom and having at least one alkoxy group bonded to a silicon atom;
Claim 17
Dependent Claim
66 words
at the proportion of 0.1 to 10 amino groups contained in (2) per epoxy-containing group contained in (1); a partially reacted product thereof; or a mixture of the partly reacted product with (1) and/or (2); (C) a polymethylsilsesquioxane having a mean particle diameter of 0.1 to 100 µm; (D) a polyorganohydrogensiloxane containing at least three hydrogen atoms bonded to silicon atoms; and (E) a curing catalyst
Claim 18
Dependent Claim
66 words
at the proportion of 0.1 to 10 amino groups contained in (2) per epoxy-containing group contained in (1); a partially reacted product thereof; or a mixture of the partly reacted product with (1) and/or (2); (C) a polymethylsilsesquioxane having a mean particle diameter of 0.1 to 100 µm; (D) a polyorganohydrogensiloxane containing at least three hydrogen atoms bonded to silicon atoms; and (E) a curing catalyst
Claim 19
Dependent Claim
26 words
The compositions according to Claim 6, wherein R 1 in polyorganosiloxane (B)(1) is a monovalent hydrocarbyl group substituted by a methyl group and an epoxy-containing group.
Claim 20
Dependent Claim
32 words
The compositions according to Claim 6, wherein the substituted or unsubstituted amino group in the silane and/or siloxane of (B)(2) is bonded to a silicon atom via at least three carbon atoms.
Claim 21
Dependent Claim
35 words
The compositions according to Claim 6, wherein polymethylsilsesquioxane (C) is a fine powdery polymethylsilsesquioxane obtained by hydrotysing and condensing methyltrialkoxysilane, or the hydrolysate and condensate in part thereof, in an aqueous ammonia or an amine.
Claim 22
Dependent Claim
18 words
The compositions according to Claim 6, wherein the mean particle diameter of (C) is 1 to 20 µm.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.