US4734452A
Expired / Lapsed
US
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Curable composition, method for manufacturing thereof, and uses thereof
Assignee: Nippon Shokubai Co Ltd
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Filing: 1986-08-04
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Granted: 1988-03-29
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Expires: 2006-08-04
Abstract
Abstract A curable composition comprising (A) a monomer mixture containing as an essential component thereof a mixture of 20 to 80% by weight of an aliphatic polyfunctional (meth)acrylate and 80 to 20% by weight of an aromatic vinyl compound, (B) an inorganic filler having an average particle diameter of not more than 5 microns, and (C) a catalytic amount of a polymerization initiator, and having said inorganic filler (B) dispersed in an amount of 250 to 800 parts by weight per 100 parts by weight of said monomer mixture (A).
Inventors
- 👤 Terukuni Hashimoto
- 👤 Tsugishige Iwaki
- 👤 Masaaki Kitatani
- 👤 Masao Nikki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:18
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/04; C04B26/06; C04B2111/00; C04B2111/54; C04B2111/542; C04B2111/545
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
89 words
A curable composition comprising (A) a monomer mixture containing as an essential component thereof a mixture of 20 to 80% by weight of an aliphatic polyfunctional (meth)acrylate and 80 to 20% by weight of an aromatic vinyl compound, (B) an inorganic filler having an average particle diameter of not more than 5 microns, and (C) a catalytic amount of a polymerization initiator, and having said inorganic filler (B) dispersed in an amount of 250 to 800 parts by weight per 100 parts by weight of said monomer mixture (A).
Claim 2
Dependent Claim
89 words
A curable composition comprising (A) a monomer mixture containing as an essential component thereof a mixture of 20 to 80% by weight of an aliphatic polyfunctional (meth)acrylate and 80 to 20% by weight of an aromatic vinyl compound, (B) an inorganic filler having an average particle diameter of not more than 5 microns, and (C) a catalytic amount of a polymerization initiator, and having said inorganic filler (B) dispersed in an amount of 250 to 800 parts by weight per 100 parts by weight of said monomer mixture (A).
Claim 3
Dependent Claim
32 words
A composition according to claim 1, wherein the amount of said polymerization initiator is in the range of 0.2 to 3.0% by weight based on the weight of said monomer mixture (A).
Claim 4
Dependent Claim
16 words
A composition according to claim 1, wherein said inorganic filler (B) is a hydrated metal oxide.
Claim 5
Dependent Claim
14 words
A composition according to claim 1, wherein said inorganic filler (B) is aluminum hydroxide.
Claim 6
Dependent Claim
29 words
A composition according to claim 1, wherein said dispersion of said inorganic filler (B) in said monomer mixture (A) is carried out by the use of a high-speed stirrer.
Claim 7
Dependent Claim
21 words
A composition according to claim 5, wherein said high-speed stirrer is rotated at a rate of not less than 1,000 r.p.m.
Claim 8
Dependent Claim
29 words
A composition according to claim 1, wherein said dispersion of said inorganic filler (B) in said monomer mixture (A) is carried out by the use of a low-speed kneader.
Claim 9
Dependent Claim
14 words
A composition according to claim 7, wherein said low-speed kneader is a two-arm kneader.
Claim 10
Dependent Claim
44 words
A composition according to claim 1, wherein said monomer mixture (A) contains 5 to 40 parts by weight of a thickening thermoplastic polymer and 0.5 to 5 parts by weight of a thickener based on 100 parts by weight of said monomer mixture (A).
Claim 11
Dependent Claim
32 words
A composition according to claim 9, wherein said thickening thermoplastic polymer possesses at least two carboxyl groups in the molecular unit thereof and said thickener is a metal oxide or metal hydroxide.
Claim 12
Dependent Claim
30 words
A composition according to claim 9, wherein said thickening thermoplastic polymer possesses at least two hydroxyl groups in the molecular unit thereof and said thickener is a polyfunctional isocyanate compound.
Claim 13
Independent Claim
121 words
A method for the production of a curable composition, which comprises mixing (A) a monomer mixture containing as an essential component thereof a mixture of 20 to 80% by weight of an aliphatic polyfunctional (meth)acrylate and 80 to 20% by weight of an aromatic vinyl compound, (B) an inorganic filler having an average particle diameter of not more than 5 microns, and (C) a catalytic amount of a polymerization initiator, with a high-speed stirrer, with the total of said inorganic filler (B) falling in the range of 250 to 500 parts by weight based on 100 parts by weight of said monomer mixture (A), until the resulting blend forms a liquid possessing viscosity in the range of 2 to 100 poises.
Claim 14
Independent Claim
121 words
A method for the production of a curable composition, which comprises mixing (A) a monomer mixture containing as an essential component thereof a mixture of 20 to 80% by weight of an aliphatic polyfunctional (meth)acrylate and 80 to 20% by weight of an aromatic vinyl compound, (B) an inorganic filler having an average particle diameter of not more than 5 microns, and (C) a catalytic amount of a polymerization initiator, with a high-speed stirrer, with the total of said inorganic filler (B) falling in the range of 250 to 500 parts by weight based on 100 parts by weight of said monomer mixture (A), until the resulting blend forms a liquid possessing viscosity in the range of 2 to 100 poises.
Claim 15
Dependent Claim
21 words
A method according to claim 12, wherein said high-speed stirrer is rotated at a rate of not less than 1,000 r.p.m.
Claim 16
Dependent Claim
13 words
A method according to claim 12, wherein said high-speed stirrer is a disperser.
Claim 17
Dependent Claim
16 words
A method according to claim 12, wherein said inorganic filler (B) is a hydrated metal oxide.
Claim 18
Dependent Claim
14 words
A method according to claim 12, wherein said inorganic filler (B) is aluminum hydroxide.
Claim 19
Dependent Claim
44 words
A method according to claim 12, wherein said monomer mixture (A) contains 5 to 40 parts by weight of a thickening thermoplastic polymer and 0.5 to 5 parts by weight of a thickener based on 100 parts by weight of said monomer mixture (A).
Claim 20
Independent Claim
112 words
A method for the production of a curable composition, which comprises mixing (A) a monomer mixture containing as an essential component thereof a mixture of 20 to 80% by weight of an aliphatic polyfunctional (meth)acrylate and 80 to 20% by weight of an aromatic vinyl compound, (B) an inorganic filler having an average particle diameter of not more than 5 microns, and (C) a catalytic amount of a polymerization initiator, with a low-speed kneader, with the total of said inorganic filler (B) falling in the range of 250 to 800 parts by weight based on 100 parts by weight of said monomer mixture (A), until the resulting blend forms a doughlike mass.
Claim 21
Independent Claim
112 words
A method for the production of a curable composition, which comprises mixing (A) a monomer mixture containing as an essential component thereof a mixture of 20 to 80% by weight of an aliphatic polyfunctional (meth)acrylate and 80 to 20% by weight of an aromatic vinyl compound, (B) an inorganic filler having an average particle diameter of not more than 5 microns, and (C) a catalytic amount of a polymerization initiator, with a low-speed kneader, with the total of said inorganic filler (B) falling in the range of 250 to 800 parts by weight based on 100 parts by weight of said monomer mixture (A), until the resulting blend forms a doughlike mass.
Claim 22
Dependent Claim
21 words
A method according to claim 18, wherein said low-speed kneader is rotated at a rate of not more than 100 r.p.m.
Claim 23
Dependent Claim
14 words
A method according to claim 18, wherein said low-speed kneader is a two-arm kneader.
Claim 24
Dependent Claim
16 words
A method according to claim 18, wherein said inorganic filler (B) is a hydrated metal oxide.
Claim 25
Dependent Claim
14 words
A method according to claim 18, wherein said inorganic filler (B) is aluminum hydroxide.
Claim 26
Dependent Claim
44 words
A method according to claim 18, wherein said monomer mixture (A) contains 5 to 40 parts by weight of a thickening thermoplastic polymer and 0.5 to 5 parts by weight of a thickener based on 100 parts by weight of said monomer mixture (A).
Claim 27
Dependent Claim
14 words
An article obtained by thermally curing said curable composition set forth in claim 1.
Claim 28
Dependent Claim
12 words
An article according to claim 24, wherein said article is artificial marble.
Claim 29
Dependent Claim
23 words
A cast molded article, obtained by casting the curable composition set forth in claim 5 and curing said composition under application of heat.
Claim 30
Dependent Claim
20 words
A press molded article, obtained by thermally curing the curable composition set forth in claim 7 under application of pressure.
Claim 31
Dependent Claim
19 words
A premix molding material, obtained by impregnating reinforcing short fibers with the curable composition set forth in claim 1.
Claim 32
Dependent Claim
44 words
A fiber-reinforced plastic article, obtained by adding the curable composition set forth in claim 1 to reinforcing fibers set in place in advance within a metal die for impregnation of said reinforcing fibers and thermally curing the impregnated reinforcing fibers under application of pressure.
Claim 33
Dependent Claim
19 words
A fiber-reinforced thermosetting molding material, obtained by impregnating reinforcing fibers with the curable composition set forth in claim 9.
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US4221698A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-29 | 1991-09-28 | 1992-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-29 | 1995-09-28 | 1996-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-29 | 1999-09-28 | 2000-03-29 | $7700.00 | Window Closed / Lapsed |