US5116670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Allyl ester resin composition and laminated sheet using the same
Assignee: Resonac Holdings Corp
•
Filing: 1990-09-28
•
Granted: 1992-05-26
•
Expires: 2010-09-28
Abstract
Abstract Resin compositions for laminated sheets and laminated sheets produced therefrom are disclosed, the compositions comprising at least one allyl ester resin composed of a polybasic acid and a polyhydric alcohol, wherein an allyl ester group of said resin is bonded to at least one of terminals thereof.
Inventors
- 👤 Noboru Suzuki
- 👤 Masaharu Yoshida
- 👤 Satoshi Noda
- 👤 Minoru Takaishi
- 👤 Kenichiro Takiguchi
- 👤 Hiroshi Uchida
- 👤 Takeshi Onoda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:04
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/04; C08F299/0485; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/24; C08J5/248; H; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/0353; H05K1/0366; C08J2367/00; C08J2367/06; C08J2367/07; H05K2201/00; H05K2201/01; H05K2201/0137; H05K2201/0145; H05K2201/0166; H05K2201/02; H05K2201/0275; H05K2201/0284; H05K2201/0293; H05K3/00; H05K3/38; H05K3/386; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522; Y10T428/31551; Y10T428/31616; Y10T428/3162; Y10T428/31652; Y10T428/31678; Y10T428/31681; Y10T428/31688; Y10T428/31703; Y10T428/31786; Y10T428/3179; Y10T428/31794; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3415
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
59 words
A laminated sheet comprising at least one resin-impregnated fibrous base, wherein said base is impregnated with a liquid resin composition comprising at least one allyl ester resin, said allyl ester resin comprising a polybasic acid and a polyhydric alcohol, wherein an allyl ester group of said resin is bonded to at least one of the terminals of said resin.
Claim 2
Dependent Claim
59 words
A laminated sheet comprising at least one resin-impregnated fibrous base, wherein said base is impregnated with a liquid resin composition comprising at least one allyl ester resin, said allyl ester resin comprising a polybasic acid and a polyhydric alcohol, wherein an allyl ester group of said resin is bonded to at least one of the terminals of said resin.
Claim 3
Dependent Claim
42 words
A laminated sheet as claimed in claim 1, wherein said resin composition further comprises a solvent, (b) said resin-impregnated fibrous base is dried to prepare a prepreg and (c) a plurality of said prepregs is hot pressed to obtain said laminated sheet.
Claim 4
Dependent Claim
26 words
A laminated sheet as claimed in claim 1, wherein said polybasic acid is selected from the group consisting of terephthalic acid, o-phthalic acid, and isophthalic acid.
Claim 5
Dependent Claim
52 words
A laminated sheet as claimed in claim 1, wherein said resin composition comprises from about 40 to 95% by weight of said allyl ester resin and from about 5 to 60% by weight of a radical polymerizable liquid crosslinking monomer, wherein said allyl ester resin is soluble in said polymeriable crosslinking monomer.
Claim 6
Dependent Claim
36 words
A laminated sheet as claimed in claim 4, wherein said radical polymerizable crosslinking monomer contains a polyfunctional crosslinking monomer in an amount of from about 1 to 30% by weight based on the total resin composition.
Claim 7
Dependent Claim
50 words
A laminated sheet as claimed in claim 5, wherein said polyfunctional crosslinking monomer has an allyl group and at least one radical polymerizable functional group, other than said allyl group, per molecule, and is in an amount of from 1 to 20% by weight based on the total resin composition.
Claim 8
Dependent Claim
26 words
A laminated sheet as claimed in claim 4, wherein said polybasic acid is selected from the group consisting of terephthalic acid, o-phthalic acid, and isophthalic acid.
Claim 9
Dependent Claim
25 words
A laminated sheet as claimed in claim 6, wherein said polyfunctional crosslinking monomer is selected from the group consisting of allyl acrylate and allyl methacrylate.
Claim 10
Dependent Claim
18 words
A laminated sheet as claimed in claim 5, wherein said polyfunctional crosslinking monomer is a polyfunctional (meth)acrylate compound.
Claim 11
Dependent Claim
26 words
A laminated sheet as claimed in claim 4, wherein said resin composition, when cured, has a glass transition temperature of from about 20 to 90° C.
Claim 12
Dependent Claim
15 words
A laminated sheet as claimed in claim 4, wherein said base substantially comprises cellulose fibers.
Claim 13
Dependent Claim
21 words
A laminated sheet as claimed in claim 11, wherein surfaces of said cellulose fibers are substantially coated with a melamine resin.
Claim 14
Dependent Claim
17 words
A laminated sheet as claimed in claim 12, wherein said melamine resin is a methylol melamine resin.
Claim 15
Dependent Claim
19 words
A laminated sheet as claimed in claim 12, wherein said melamine resin is an alkyl alcohol-modified methylol melamine resin.
Claim 16
Dependent Claim
18 words
A laminated sheet as claimed in claim 12, wherein said melamine resin is a hydroxyethyl methacrylate-modified melamine resin.
Claim 17
Dependent Claim
18 words
A laminated sheet as claimed in claim 12, wherein said melamine resin is an allyl alcohol-modified melamine resin.
Claim 18
Dependent Claim
20 words
A laminated sheet as claimed in claim 4, wherein said laminated sheet has a metal foil on the surface thereof.
Claim 19
Dependent Claim
16 words
A laminated sheet as claimed in claim 17, wherein said metal foil is a copper foil.
Claim 20
Dependent Claim
42 words
A laminated sheet as claimed in claim 18, wherein said laminated sheet and metal foil are adhered with an adhesive comprising about 100 parts by weight of an epoxy resin and from about 10 to 300 parts by weight of polyvinyl butyral.
Claim 21
Dependent Claim
41 words
A laminated sheet as claimed in claim 19, wherein said epoxy resin comprises from about 40 to 90% by weight of a bisphenol A type epoxy resin and from about 10 to 60% by weight of a novolak type epoxy resin.
Claim 22
Dependent Claim
25 words
A laminated sheet as claimed in claim 19, wherein said adhesive further comprises from about 5 to 100 parts by weight of a phenolic resin.
Claim 23
Dependent Claim
41 words
A laminated sheet as claimed in claim 21, wherein said epoxy resin comprises from about 40 to 90% by weight of a bisphenol A type epoxy resin and from about 10 to 60% by weight of a novolak type epoxy resin.
Claim 24
Dependent Claim
19 words
A laminated sheet as claimed in claim 4, wherein said radical polymerizable crosslinking monomer contains a polyfunctional crosslinking monomer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-05-26 | 1995-11-25 | 1996-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-05-26 | 1999-11-25 | 2000-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-05-26 | 2003-11-25 | 2004-05-26 | $7700.00 | Window Closed / Lapsed |