Patent US4956227A successfully refreshed from Google Patents.
US4956227A
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Laminated structure
Assignee: Nippon Sheet Glass Co Ltd
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Filing: 1988-11-16
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Granted: 1990-09-11
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Expires: 2008-11-16
Abstract
Abstract A laminated structure composed of (A) a layer comprising a polyester resin, (B) a layer comprising a cured (meth)acrylate polymer containing an epoxy group in the molecule, and (C) a layer comprising a cured organopolysiloxane compound, the layers (A), (B) and (C) being laminated in this sequence. The laminated structure is suitable for use in a safety glass, for example.
Inventors
- 👤 Naoto Hirayama
- 👤 Yuichi Aoki
- 👤 Akio Takigawa
- 👤 Motoaki Yoshida
- 👤 Yasunori Shiraishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:22
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/36; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10018; B32B17/1055; B32B17/10688; B32B17/1077; B32B27/06; B32B27/08; B32B27/28; B32B27/283; B32B2307/00; B32B2307/50; B32B2307/56; B32B2315/00; B32B2315/08; B32B2329/00; B32B2329/06; B32B2367/00; B32B2375/00; B32B2383/00; B32B2605/00; B32B2605/006; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/259; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31551; Y10T428/31598; Y10T428/31601; Y10T428/31627; Y10T428/3163; Y10T428/31652; Y10T428/31663; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
267 words
A laminated structure composed of (A) a layer comprising a polyester resin, (B) a layer comprising a cured (meth)acrylate polymer containing an epoxy group in the molecule, which is a copolymer of (i) 1 to 100 mole % of an ester of an aliphatic alcohol having 1 to 6 carbon atoms and an epoxy group in the molecule, and (meth)acrylic acid, and (ii) 99 to 0 mole % of an ester of an aliphatic alcohol having no epoxy group in the molecule and having 1 to 6 carbon atoms which may optionally have a substituent, and (meth)acrylic acid, and (C) a layer comprising a cured organopolysiloxane compound and optionally particles of an inorganic compound, wherein the organopolysiloxane compound is a hydrolyzed and condensed product of a silicon compound represented by the formula ##STR5## wherein R 1 represents an alkyl or alkoxyalkyl group having 1 to 6 carbon atoms, R 2 represents an alkyl group having 1 to 6 carbon atoms, R 3 represents an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms which may optionally be substituted by a substituent selected from the group consisting of an epoxy group, a glycidyloxy group a (meth)acryloyl group, a vinyl group, an allyl group, a mercapto group, an epoxy-substituted cycloalkyl group, a halogen atom, an amino group and an amide group, n is 2, 3 or 4, and m is 0 or 1, provided that n+m≦4; or a mixture of at least two of said hydrolyzed and condensed products, the layers (A), (B) and (C) being laminated in this sequence.
Claim 2
Dependent Claim
267 words
A laminated structure composed of (A) a layer comprising a polyester resin, (B) a layer comprising a cured (meth)acrylate polymer containing an epoxy group in the molecule, which is a copolymer of (i) 1 to 100 mole % of an ester of an aliphatic alcohol having 1 to 6 carbon atoms and an epoxy group in the molecule, and (meth)acrylic acid, and (ii) 99 to 0 mole % of an ester of an aliphatic alcohol having no epoxy group in the molecule and having 1 to 6 carbon atoms which may optionally have a substituent, and (meth)acrylic acid, and (C) a layer comprising a cured organopolysiloxane compound and optionally particles of an inorganic compound, wherein the organopolysiloxane compound is a hydrolyzed and condensed product of a silicon compound represented by the formula ##STR5## wherein R 1 represents an alkyl or alkoxyalkyl group having 1 to 6 carbon atoms, R 2 represents an alkyl group having 1 to 6 carbon atoms, R 3 represents an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms which may optionally be substituted by a substituent selected from the group consisting of an epoxy group, a glycidyloxy group a (meth)acryloyl group, a vinyl group, an allyl group, a mercapto group, an epoxy-substituted cycloalkyl group, a halogen atom, an amino group and an amide group, n is 2, 3 or 4, and m is 0 or 1, provided that n+m≦4; or a mixture of at least two of said hydrolyzed and condensed products, the layers (A), (B) and (C) being laminated in this sequence.
Claim 3
Dependent Claim
14 words
The laminated structure of claim 1 in which the ester (i) is glycidyl (meth)acrylate.
Claim 4
Dependent Claim
42 words
The laminated structure of claim 1 in which the aliphatic alcohol having no epoxy group in the molecule and having 1 to 6 carbon atom which may optionally have a substituent is a hydroxyl-substituted aliphatic alcohol having 1 to 6 carbon atoms.
Claim 5
Dependent Claim
62 words
The laminated structure of claim 1 in which the (meth)acrylate polymer having epoxy groups in the molecule is a copolymer of (i) an ester of an aliphatic alcohol having 1 to 6 carbon atoms and an epoxy group in the molecule and (meth)acrylic acid, and (ii) an ester of a hydroxyl-substituted aliphatic alcohol having 1 to 6 carbon atoms and (meth)acrylic acid.
Claim 6
Dependent Claim
30 words
The laminated structure of claim 1 in which the organopolysiloxane compound is a mixture at least two of said hydrolyzed and condensed products of the silicon compounds of formula (1).
Claim 7
Dependent Claim
31 words
The laminated structure of claim 5 in which the silicon compound of formula (1) is selected from the group consisting of gamma-glycidoxypropyltrialkoxysilanes, gamma-glycidoxypropylmethyldialkoxysilanes, tetramethoxysilane, tetraethoxysilane, tetrapropoxysilane, alkyltrialkoxysilanes, dialkyldialkoxysilanes and 2-(3,4-epoxycyclohexyl)ethyl trialkoxysilanes.
Claim 8
Dependent Claim
37 words
The laminated structure of claim 1 or 5 in which at least one silicon compound of formula (1) is a glycidoxyalkyltrialkoxysilane in which the alkyl moiety and the alkoxy moiety each have 1 to 4 carbon atoms.
Claim 9
Dependent Claim
75 words
The laminated structure of claim 7 in which the organopolysiloxane compound is a mixture of (i) 5 to 99% by weight of a hydrolyzed and condensed product of a glycidoxyalkyltrialkoxysilane in which the alkyl moiety and the alkoxy moiety each have 1 to 4 carbon atoms, and (ii) 95 to 1% by weight of a hydrolyzed and condensed alkyltrialkoxysilane in which the alkyl moiety and the alkoxy moiety each have 1 to 4 carbon atoms.
Claim 10
Dependent Claim
37 words
The laminated structure of claim 1 or 5 in which at least one silicon compound of formula (1) is an alkyltrialkoxysilane in which the alkyl moiety and the alkoxy moiety each have 1 to 4 carbon atoms.
Claim 11
Dependent Claim
32 words
The laminated structure of claim 1 in which the layer comprising the cured organopolysiloxane compound further contains particles of an inorganic compound having an average particle diameter of 1 to 200 mm.
Claim 12
Dependent Claim
40 words
The laminated structure of claim 10 in which the inorganic compound is SiO 2 , and the proportion of SiO 2 is 5 to 45% by weight based on the total weight of the organopolysiloxane compound and SiO 2 .
Claim 13
Dependent Claim
268 words
A laminated structure composed of (A) a layer comprising a polyester resin, (B) a layer comprising a cured polymer of a (meth)acrylic acid ester having an epoxy group in the molecule, which is a copolymer of (i) 1 to 100 mole % of an ester of an aliphatic alcohol having 1 to 6 carbon atoms and an epoxy group in the molecule, and (meth)acrylic acid, and (ii) 99 to 0 mole % of an ester of an aliphatic alcohol having no epoxy group in the molecule and having 1 to 6 carbon atoms which may optionally have a substituent and (meth)acrylic acid, (C) a layer comprising a cured organopolysiloxane, wherein the organopolysiloxane compound is a hydrolyzed and condensed product of a silicon compound represented by the formula ##STR6## wherein R 1 represents an alkyl or alkoxyalkyl group having I to 6 carbon atoms, R 2 represents an alkyl group having 1 to 6 carbon atoms, R 3 represents an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms which may optionally be substituted by a substituent selected from the group consisting of an epoxy group, a glycidyloxy group, a (meth)acryloyl group, a vinyl group, an alkyl group, a mercapto group, an epoxy-substituted cycloalkyl group, a halogen atom, an amino group and an amide group, n is 2, 3 or 4, and m is 0 or 1, provided that n+m≦4; or a mixture of at least two of said hydrolyzed and condensed products, and (D) a shock-absorbing layer, the layers (D), (A), (B) and (C) being laminated in this sequence.
Claim 14
Dependent Claim
268 words
A laminated structure composed of (A) a layer comprising a polyester resin, (B) a layer comprising a cured polymer of a (meth)acrylic acid ester having an epoxy group in the molecule, which is a copolymer of (i) 1 to 100 mole % of an ester of an aliphatic alcohol having 1 to 6 carbon atoms and an epoxy group in the molecule, and (meth)acrylic acid, and (ii) 99 to 0 mole % of an ester of an aliphatic alcohol having no epoxy group in the molecule and having 1 to 6 carbon atoms which may optionally have a substituent and (meth)acrylic acid, (C) a layer comprising a cured organopolysiloxane, wherein the organopolysiloxane compound is a hydrolyzed and condensed product of a silicon compound represented by the formula ##STR6## wherein R 1 represents an alkyl or alkoxyalkyl group having I to 6 carbon atoms, R 2 represents an alkyl group having 1 to 6 carbon atoms, R 3 represents an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms which may optionally be substituted by a substituent selected from the group consisting of an epoxy group, a glycidyloxy group, a (meth)acryloyl group, a vinyl group, an alkyl group, a mercapto group, an epoxy-substituted cycloalkyl group, a halogen atom, an amino group and an amide group, n is 2, 3 or 4, and m is 0 or 1, provided that n+m≦4; or a mixture of at least two of said hydrolyzed and condensed products, and (D) a shock-absorbing layer, the layers (D), (A), (B) and (C) being laminated in this sequence.
Claim 15
Dependent Claim
23 words
The laminated structure of claim 12 in which the shock-absorbing layer is a layer of a polyvinyl butyral resin or a polyurethane resin.
Claim 16
Dependent Claim
274 words
A laminated structure composed of (A) a layer comprising a polyester resin, (B) a layer comprising a cured polymer of a (meth)acrylic acid ester having an epoxy group in the molecule, which is a copolymer of (i) 1 to 100 mole % of an ester of an aliphatic alcohol having 1 to 6 carbon atoms and an epoxy group in the molecule, and (meth)acrylic acid, and (ii) 99 to 0 mole % of an ester of an aliphatic alcohol having no epoxy group in the molecule and having 1 to 6 carbon atoms which may optionally have a substituent, and (meth)acrylic acid, (C) a layer comprising a cured organopolysiloxane, wherein the organopolysiloxane compound is a hydrolyzed and condensed product of a silicon compound represented by the formula ##STR7## wherein R 1 represents an alkyl or alkoxyalkyl group having 1 to 6 carbon atoms, R 2 represents an alkyl group having 1 to 6 carbon atoms, R 3 represents an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms which may optionally be substituted by a substituent selected from the group consisting of an epoxy group, a glycidyloxy group, a (meth)acryloyl group, a vinyl group, an allyl group, a mercapto group, an epoxy-substituted cycloalkyl group, a halogen atom, an amino group and an amine group, n is 2, 3 or 4, and m is 0 or 1, provided that m+m≦4; or a mixture of at least two of said hydrolyzed and condensed products, (D) a shock-absorbing layer, and (E) a layer of glass, the layers (E), (D), (A), (B) and (C) being laminated in this sequence.
Claim 17
Dependent Claim
274 words
A laminated structure composed of (A) a layer comprising a polyester resin, (B) a layer comprising a cured polymer of a (meth)acrylic acid ester having an epoxy group in the molecule, which is a copolymer of (i) 1 to 100 mole % of an ester of an aliphatic alcohol having 1 to 6 carbon atoms and an epoxy group in the molecule, and (meth)acrylic acid, and (ii) 99 to 0 mole % of an ester of an aliphatic alcohol having no epoxy group in the molecule and having 1 to 6 carbon atoms which may optionally have a substituent, and (meth)acrylic acid, (C) a layer comprising a cured organopolysiloxane, wherein the organopolysiloxane compound is a hydrolyzed and condensed product of a silicon compound represented by the formula ##STR7## wherein R 1 represents an alkyl or alkoxyalkyl group having 1 to 6 carbon atoms, R 2 represents an alkyl group having 1 to 6 carbon atoms, R 3 represents an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms which may optionally be substituted by a substituent selected from the group consisting of an epoxy group, a glycidyloxy group, a (meth)acryloyl group, a vinyl group, an allyl group, a mercapto group, an epoxy-substituted cycloalkyl group, a halogen atom, an amino group and an amine group, n is 2, 3 or 4, and m is 0 or 1, provided that m+m≦4; or a mixture of at least two of said hydrolyzed and condensed products, (D) a shock-absorbing layer, and (E) a layer of glass, the layers (E), (D), (A), (B) and (C) being laminated in this sequence.
Claim 18
Dependent Claim
16 words
The laminated structure of claim 14 in which the glass layer is a single glass sheet.
Claim 19
Dependent Claim
16 words
The laminated structure of claim 14 in which the glass layer is a laminated glass sheet.
References Cited (Backward Citations)
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