US4929494A
Expired / Lapsed
US
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Fibrous substrates impregnated with a curable composition
Assignee: Resonac Holdings Corp
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Filing: 1987-11-06
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Granted: 1990-05-29
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Expires: 2007-11-06
Abstract
Abstract A laminate is disclosed, comprising substrates which are impregnated with a curable composition, laminated and cured, wherein the curable composition comprises (i) a curable prepolymer having a main chain consisting essentially of a random copolymer of a vinyl monomer and an acrylic or methacrylic monomer, and a side chain containing an acryloyl or methacryloyl group at the terminal, as a main component, and (ii) a crosslinkable vinyl monomer.
Inventors
- 👤 Fumio Matsui
- 👤 Noboru Suzuki
- 👤 Minoru Takaishi
- 👤 Ryushi Ogura
- 👤 Noriaki Harigai
- 👤 Tadayoshi Hashimoto
- 👤 Tomoe Uematu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:39
CPC Classifications
B; B32; B32B; B32B29/00; B32B29/002; B32B29/005; B32B15/00; B32B15/04; B32B15/12; B32B15/20; C; C08; C08F; C08F299/00; C08F299/02; C08F299/026; C08J; C08J5/00; C08J5/24; C08J5/247; C08J5/249; H; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/032; H05K1/0326; B32B2260/00; B32B2260/02; B32B2260/028; B32B2260/04; B32B2260/046; B32B2305/00; B32B2305/72; C08J2333/00; C08J2333/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31529; Y10T428/31551; Y10T428/31645; Y10T428/31649; Y10T428/31652; Y10T428/31667; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906; Y10T428/31935; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2639; Y10T442/2664; Y10T442/2713
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
66 words
A laminate comprising fibrous substrates which are impregnated with a curable composition, laminated and cured, the curable composition comprising, (i) a curable prepolymer having a main chain consisting essentially of a random copolymer of a vinyl monomer and an acrylic or methacrylic monomer, and a side chain containing an acryloyl or methacryloyl group at the terminal, as a main component, and (ii) a crosslinkable vinyl monomer.
Claim 2
Dependent Claim
66 words
A laminate comprising fibrous substrates which are impregnated with a curable composition, laminated and cured, the curable composition comprising, (i) a curable prepolymer having a main chain consisting essentially of a random copolymer of a vinyl monomer and an acrylic or methacrylic monomer, and a side chain containing an acryloyl or methacryloyl group at the terminal, as a main component, and (ii) a crosslinkable vinyl monomer.
Claim 3
Dependent Claim
62 words
The laminate as claimed in claim 1, wherein the curable prepolymer is represented by formula (I) ##STR12## wherein A represents a main chain made of a random copolymer of vinyl monomer and an acryloyl or methacryloyl monomer, R 1 to R 3 each represents a hydrogen atom or a methyl group, and n is 0 or an integer of 1 to 5.
Claim 4
Dependent Claim
107 words
The laminate as claimed in claim 1, wherein the curable prepolymer is represented by formula (II) ##STR13## wherein A represents a main chain made of a random copolymer of vinyl monomer and an acryloyl or methacryloyl monomer, X 1 and X 2 each represents a hydrocarbon group having 1 to 16 carbon atoms or a hydrocarbon group linked through an ether bond and having 1 to 16 carbon atoms in total, B represents an aliphatic, alicyclic or aromatic hydrocarbon group having up to 20 carbon atoms, L 1 and L 2 each represents --O-- or --NH--, and R 4 is a hydrogen atom or a methyl group.
Claim 5
Dependent Claim
48 words
The laminate as claimed in claim 1, wherein the curable prepolymer is represented by formula (III) ##STR14## wherein A represents a main chain made of a random copolymer of vinyl monomer and an acryloyl or methacryloyl monomer, and R 5 represents a hydrogen atom or a methyl group.
Claim 6
Dependent Claim
23 words
The laminate as claimed in claim 1, wherein the proportion of the curable prepolymer in the curable composition is 10 to 60 wt%.
Claim 7
Dependent Claim
23 words
The laminate as claimed in claim 2, wherein the proportion of the curable prepolymer in the curable composition is 10 to 60 wt%.
Claim 8
Dependent Claim
23 words
The laminate as claimed in claim 3, wherein the proportion of the curable prepolymer in the curable composition is 10 to 60 wt%.
Claim 9
Dependent Claim
23 words
The laminate as claimed in claim 4, wherein the proportion of the curable prepolymer in the curable composition is 10 to 60 wt%.
Claim 10
Dependent Claim
37 words
The laminate as claimed in claim 5, wherein the crosslinkable vinyl monomer is a mixture of a monofunctional monomer and a polyfunctional monomer, and the weight ratio of polyfunctional monomer to monofunctional monomer is 1/20 to 1/2.
Claim 11
Dependent Claim
37 words
The laminate as claimed in claim 6, wherein the crosslinkable vinyl monomer is a mixture of a monofunctional monomer and a polyfunctional monomer, and the weight ratio of polyfunctional monomer to monofunctional monomer is 1/20 to 1/2.
Claim 12
Dependent Claim
37 words
The laminate as claimed in claim 7, wherein the crosslinkable vinyl monomer is a mixture of a monofunctional monomer and a polyfunctional monomer, and the weight ratio of polyfunctional monomer to monofunctional monomer is 1/20 to 1/2.
Claim 13
Dependent Claim
37 words
The laminate as claimed in claim 8, wherein the crosslinkable vinyl monomer is a mixture of a monofunctional monomer and a polyfunctional monomer, and the weight ratio of polyfunctional monomer to monofunctional monomer is 1/20 to 1/2.
Claim 14
Dependent Claim
126 words
The laminate as claimed in claim 5, wherein the curable composition further contains 5 to 70 wt% of a halogen-containing flame retardant monomer selected from the group consisting of (i) halogen-containing flame retardant monomers resulting from the addition reaction of monoglycidyl methacrylate of monoglycidyl acrylate to an ester of a saturated polybasic acid and a polyhydric alcohol having a bromine or chlorine-containing aliphatic or alicyclic saturated hydrocarbon group having 1 to 18carbon atoms, (ii) bromine-containing flame retardant monomers represented by formulae (VIII) and (IX), and (iii) chlorine-containing flame retardant monomers represented by formula (XI): ##STR15## wherein R 11 , R 12 , R 13 and R 15 each represents a hydrogen atom or a methyl group, and n 2 is an integer of 1 to 10.
Claim 15
Dependent Claim
127 words
The laminate as claimed in claim 6, wherein the curable composition further contains 5 to 70 wt% of a halogen-containing flame retardant monomer selected from the group consisting of (i) halogen-containing flame retardant monomers resulting from the addition reaction of monoglycidyl methacrylate or monoglycidyl acrylate to an ester of a saturated polybasic acid and a polyhydric alcohol having a bromine or chlorine-containing aliphatic or alicyclic saturated hydrocarbon group having 1 to 18 carbon atoms, (ii) bromine-containing flame retardant monomers represented by formulae (VIII) and (IX), and (iii) chlorine-containing flame retardant monomers represented by formula (XI): ##STR16## wherein R 11 , R 12 , R 13 and R 15 each represents a hydrogen atom or a methyl group, and n 2 is an integer of 1 to 10.
Claim 16
Dependent Claim
127 words
The laminate as claimed in claim 7, wherein the curable composition further contains 5 to 70 wt% of a halogen-containing flame retardant monomer selected from the group consisting of (i) halogen-containing flame retardant monomers resulting from the addition reaction of monoglycidyl methacrylate or monoglycidyl acrylate to an ester of a saturated polybasic acid and a polyhydric alcohol having a bromine or chlorine-containing aliphatic or alicyclic saturated hydrocarbon group having 1 to 18 carbon atoms, (ii) bromine-containing flame retardant monomers represented by formulae (VIII) and (IX), and (iii) chlorine-containing flame retardant monomers represented by formula (XI): ##STR17## wherein R 11 , R 12 , R 13 and R 15 each represents a hydrogen atom or a methyl group, and n 2 is an integer of 1 to 10.
Claim 17
Dependent Claim
127 words
The laminate as claimed in claim 8, wherein the curable composition further contains 5 to 70 wt% of a halogen-containing flame retardant monomer selected from the group consisting of (i) halogen-containing flame retardant monomers resulting from the addition reaction of monoglycidyl methacrylate or monoglycidyl acrylate to an ester of a saturated polybasic acid and a polyhydric alcohol having a bromine or chlorine-containing aliphatic or alicyclic saturated hydrocarbon group having 1 to 18 carbon atoms, (ii) bromine-containing flame retardant monomers represented by formulae (VIII) and (IX), and (iii) chlorine-containing flame retardant monomers represented by formula (XI): ##STR18## wherein R 11 , R 12 , R 13 and R 15 each represents a hydrogen atom or a methyl group, and n 2 is an integer of 1 to 10.
Claim 18
Dependent Claim
109 words
The laminate as claimed in claim 5, wherein the halogen-containing flame retardant monomer is a mixture of (i) at least one of bromine-containing flame retardant monomers represented by formulae (VIII) and (IX) ##STR19## wherein R 11 , R 12 and R 13 each represents a hydrogen atom or a methyl group, and (ii) a chlorine-containing flame retardant monomer represented by formula (XI) ##STR20## wherein R 5 is a hydrogen atom or a methyl group, and n 2 is an integer of 1 to 10, and the amount of the chlorine-containing flame retardant monomer is 50 to 200 wt% based on the total amount of the bromine-containing flame retardant monomers.
Claim 19
Dependent Claim
109 words
The laminate as claimed in claim 6, wherein the halogen-containing flame retardant monomer is a mixture of (i) at least one of bromine-containing flame retardant monomers represented by formulae (VIII) and (IX) ##STR21## wherein R 11 , R 12 and R 13 each represents a hydrogen atom or a methyl group, and (ii) a chlorine-containing flame retardant monomer represented by formula (XI) ##STR22## wherein R 15 is a hydrogen atom or a methyl group, and n 2 is an integer of 1 to 10, and the amount of the chlorine-containing flame retardant monomer is 50 to 200 wt% based on the total amount of the bromine-containing flame retardant monomers.
Claim 20
Dependent Claim
109 words
The laminate as claimed in claim 7, wherein the halogen-containing flame retardant monomer is a mixture of (i) at least one of bromine-containing flame retardant monomers represented by formulae (VIII) and (IX) ##STR23## wherein R 11 , R 12 and R 13 each represents a hydrogen atom or a methyl group and (ii) a chlorine-containing flame retardant monomer represented by formula (XI) ##STR24## wherein R 15 is a hydrogen atom or a methyl group, and n 2 is an integer of 1 to 10, and the amount of the chlorine-containing flame retardant monomer is 50 to 200 wt% based on the total amount of the bromine-containing flame retardant monomers.
Claim 21
Dependent Claim
109 words
The laminate as claimed in claim 8, wherein the halogen-containing flame retardant monomer is a mixture of (i) at least one of bromine-containing flame retardant monomers represented by formulae (VIII) and (IX) ##STR25## wherein R 11 , R 12 and R 13 each represents a hydrogen atom or a methyl group, and (ii) a chlorine-containing flame retardant monomer represented by formula (XI) ##STR26## wherein R 15 is a hydrogen atom or a methyl group, and n 2 is an integer of 1 to 10, and the amount of the chlorine-containing flame retardant monomer is 50 to 200 wt% based on the total amount of the bromine-containing flame retardant monomers.
Claim 22
Dependent Claim
96 words
The laminate as claimed in claim 5, wherein as the crosslinkable monomer, a felxibility-imparting monomer is contained in an amount of 0.1 to 40 wt% based on the total weight of the crosslinkable monomers, said flexibility-imparting monomer being represented by the general formula (XII) ##STR27## wherein R 16 is a hydrogen atom or a methyl group, R 17 is a divalent aliphatic hydrocarbon group having 2 to 5 carbon atoms, R 18 is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, and n 3 is an integer of 1 to 20.
Claim 23
Dependent Claim
17 words
The laminate as claimed in claim 1, wherein the curable composition is cured with an organic peroxide.
Claim 24
Dependent Claim
31 words
The laminate as claimed in claim 1, wherein the fibrous substrates are selected from the group consisting of glass fiber cloths, unwoven fabrics, paper made mainly of cellulose fiber, and asbestos.
References Cited (Backward Citations)
GB1281898A
Cited
US3902951A
Cited
US3897588A
Cited
FR2328741A1
Cited
EP0078407A1
Cited
US4440833A
Cited
US4451597A
Cited
US4477512A
Cited
EP0176979A2
Cited
EP0199671B1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-05-28 | 1993-11-27 | 1994-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-28 | 1997-11-27 | 1998-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-28 | 2001-11-27 | 2002-05-29 | $7700.00 | Window Closed / Lapsed |