US3926873A
Expired / Lapsed
US
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Thermoplastic material compositions
Assignee: Asahi Kasei Corp
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Filing: 1972-12-18
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Granted: 1975-12-16
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Expires: 1992-12-18
Abstract
Abstract A thermoplastic composition comprising A. about 15 to 90 percent by weight of thermoplastic and B. about 85 to 10 percent by weight of at least one reactive inorganic filler, SAID REACTIVE INORGANIC FILLER HAVING BEEN PREPARED BY EFFECTING REACTION BETWEEN A. AN INORGANIC MATERIAL SUBSTANTIALLY COMPRISING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METAL CARBONATES, METAL HYDROXIDES AND METAL OXIDES, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM, MAGNESIUM, CALCIUM, STRONTIUM, BARIUM, ZINC, CADMIUM AND ALUMINUM, SAID COMPOUND HAVING NUMBER AVERAGE PARTICLE DIAMETER OF FROM ABOUT 0.01 Mu . TO ABOUT 50 Mu . AND A MAXIMUM PARTICLE DIAMETER OF ABOUT 100 Mu ., AND B. AT LEAST ONE UNSATURATED ALIPHATIC OR AROMATIC CARBOXYLIC ACID HAVING FROM 3 TO 11 CARBON ATOMS, ONE OR TWO ETHYLENIC UNSATURATIONS, AND ONE OR TWO CARBOXYL GROUPS, THE PROPORTION OF SAID UNSATURATED ALIPHATIC OR AROMATIC CARBOXYLIC ACID BEING FROM ABOUT 0.05 TO ABOUT 20 PERCENT BY WEIGHT OF THE TOTAL WEIGHT OF SAID INORGANIC MATERIAL, WITH STIRRING IN THE ABSENCE OF LIQUID-FORM WATER IN THE POWDER STATE OF SAID INORGANIC MATERIAL AT A TEMPERATURE UP TO THE TEMPERATURE AT WHICH SAID UNSATURATED ALIPHATIC OR AROMATIC CARBOXYLIC ACID BEGINS TO DECOMPOSE. The compositions have improved mechanical properties, especially such as Izod impact strength and rigidity and excellent processability.
Inventors
- 👤 Itsuho Aishima
- 👤 Atsushi Kitaoka
- 👤 Toshinori Koseki
- 👤 Sachio Suzuki
- 👤 Kenji Arimoto
- 👤 Koichi Matsumoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:20
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/04; C08K5/00; C08K5/04; C08K5/09; C09; C09C; C09C1/00; C09C1/02; C09C1/021; C09C1/028; C09C1/04; C09C1/043; C09C1/10; C09C1/14; C09C1/40; C09C3/00; C09C3/006; C09C3/06; C09C3/063; C09C3/08; C09C3/10; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/61
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
183 words
A THERMOPLASTIC MATERIAL COMPOSITION COMPRISING (A) ABOUT 15 TO 90 PERCENT BY WEIGHT OF THERMOPLASTIC MATERIAL AND (B) ABOUT 85 TO 10 PERCENT BY WEIGHT OF AT LEAST ONE REACTIVE INORGANIC FILLER, SAID REACTIVE FILLER HAVING BEEN PREPARED BY EFFECTING REACTION BETWEEN A MIXTURE CONSISTING ESSENTIALLY OF A. AN INORGANIC MATERIAL SUBSTANTIALLY COMPRISING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METAL CARBONATES, METAL HYDROXIDES AND METAL OXIDES, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM, MAGNESIUM, CALCIUM, BARIUM, ZINC, CADMIUM AND ALUMINUM, SAID COMPOUND HAVING A NUMBER AVERAGE PARTICLE DIAMETER OF ABOUT 10 U, AND B. AT LEAST ONE UNSATURATED ALIPHATIC OR AROMATIC CARBOXYLIC ACID HAVING FROM 3 TO 11 CARBON ATOMS, ONE OR TWO ETHYLENIC UNSATURATIONS, AND ONE OR TWO CARBOXYLIC GROUPS THE PROPORTION OF SAID UNSATURATED ALIPHATIC OR AROMATIC CARBOXYLIC ACID BEING FROM ABOUT 0.05 TO 20 PERCENT BY WEIGHT OF THE TOTAL WEIGHT OF SAID INORGANIC MATERIAL, WITH STIRRING AND REMOVAL OF WATER FROM THE REACTION SYSTEM AT A TEMPERATURE UP TO THE TEMPERATURE AT WHICH SAID ALIPHATIC OR AROMATIC CARBOXYLIC ACID BEGINS TO DECOMPOSE.
Claim 2
Dependent Claim
183 words
A THERMOPLASTIC MATERIAL COMPOSITION COMPRISING (A) ABOUT 15 TO 90 PERCENT BY WEIGHT OF THERMOPLASTIC MATERIAL AND (B) ABOUT 85 TO 10 PERCENT BY WEIGHT OF AT LEAST ONE REACTIVE INORGANIC FILLER, SAID REACTIVE FILLER HAVING BEEN PREPARED BY EFFECTING REACTION BETWEEN A MIXTURE CONSISTING ESSENTIALLY OF A. AN INORGANIC MATERIAL SUBSTANTIALLY COMPRISING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METAL CARBONATES, METAL HYDROXIDES AND METAL OXIDES, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM, MAGNESIUM, CALCIUM, BARIUM, ZINC, CADMIUM AND ALUMINUM, SAID COMPOUND HAVING A NUMBER AVERAGE PARTICLE DIAMETER OF ABOUT 10 U, AND B. AT LEAST ONE UNSATURATED ALIPHATIC OR AROMATIC CARBOXYLIC ACID HAVING FROM 3 TO 11 CARBON ATOMS, ONE OR TWO ETHYLENIC UNSATURATIONS, AND ONE OR TWO CARBOXYLIC GROUPS THE PROPORTION OF SAID UNSATURATED ALIPHATIC OR AROMATIC CARBOXYLIC ACID BEING FROM ABOUT 0.05 TO 20 PERCENT BY WEIGHT OF THE TOTAL WEIGHT OF SAID INORGANIC MATERIAL, WITH STIRRING AND REMOVAL OF WATER FROM THE REACTION SYSTEM AT A TEMPERATURE UP TO THE TEMPERATURE AT WHICH SAID ALIPHATIC OR AROMATIC CARBOXYLIC ACID BEGINS TO DECOMPOSE.
Claim 3
Dependent Claim
45 words
The process of claim 2 wherein the reaction between said thermoplastic material and said reactive inorganic filler is carried out in the presence of from about 0.001 to about 0.1 percent by weight, based on the total weight of the composition, of a radical generator.
Claim 4
Dependent Claim
50 words
The process of claim 2 wherein said inorganic material is selected from the group consisting of calcium carbonate, magnesium carbonate, strontium carbonate, barium carbonate, beryllium oxide, magnesium oxide, calcium oxide, strontium oxide, barium oxide, zinc oxide, cadmium oxide, aluminum oxide, aluminum oxide hydrate, magnesium hydroxide, calcium hydroxide and aluminum hydroxide.
Claim 5
Dependent Claim
44 words
The process of claim 2 wherein said aliphatic or aromatic carboxylic acid is selected from the group consisting of acrylic acid, methacrylic acid, alpha-ethylacrylic acid, alpha-chloroacrylic acid, crotonic acid, sorbic acid, maleic acid, itaconic acid, vinylacetic acid, vinylglycolic acid, angelic acid and styrylacrylic acid.
Claim 6
Dependent Claim
29 words
The process of claim 2 wherein said thermoplastic material is selected from the group consisting of polyolefin, polyamide, polyester, polyacetal, polyvinyl-chloride, and mixtures of the polyolefin and elastomeric material.
Claim 7
Dependent Claim
223 words
A process for preparing a thermoplastic material composition which comprises effecting reaction between (A) about 15 to 90 percent by weight of thermoplastic material and (B) about 85 to 10 percent by weight of at least one reactive inorganic filler, said reactive inorganic filler having been prepared by effecting reaction between a mixture consisting essentially of a. an inorganic material substantially comprising at least one compound selected from the group consisting of metal carbonates, metal hydroxides and metal oxides, said metal being selected from the group consisting of beryllium, magnesium, calcium, strontium, barium, zinc, cadmium and aluminum, said compound having a number average particle diameter of from about 0.01 Mu to about 50 Mu and a maxiumum particle diameter of about 100 Mu , and b. at least one unsaturated aliphatic or aromatic carboxylic acid having from 3 to 11 carbon atoms, one or two ethylenic unsaturations and one or two carboxyl groups, the proportion of said unsaturated aliphatic or aromatic carboxylic acid being from about 0.05 to 20 percent by weight of the total weight of said inorganic material, with stirring and removal of water from the reaction system at a temperature up to the teMperature at which said aliphatic or aromatic carboxylic acid begins to decompose, in a melt with mixing at a temperature of from about 120*C to about 300*C.
Claim 8
Dependent Claim
223 words
A process for preparing a thermoplastic material composition which comprises effecting reaction between (A) about 15 to 90 percent by weight of thermoplastic material and (B) about 85 to 10 percent by weight of at least one reactive inorganic filler, said reactive inorganic filler having been prepared by effecting reaction between a mixture consisting essentially of a. an inorganic material substantially comprising at least one compound selected from the group consisting of metal carbonates, metal hydroxides and metal oxides, said metal being selected from the group consisting of beryllium, magnesium, calcium, strontium, barium, zinc, cadmium and aluminum, said compound having a number average particle diameter of from about 0.01 Mu to about 50 Mu and a maxiumum particle diameter of about 100 Mu , and b. at least one unsaturated aliphatic or aromatic carboxylic acid having from 3 to 11 carbon atoms, one or two ethylenic unsaturations and one or two carboxyl groups, the proportion of said unsaturated aliphatic or aromatic carboxylic acid being from about 0.05 to 20 percent by weight of the total weight of said inorganic material, with stirring and removal of water from the reaction system at a temperature up to the teMperature at which said aliphatic or aromatic carboxylic acid begins to decompose, in a melt with mixing at a temperature of from about 120*C to about 300*C.
Claim 9
Dependent Claim
10 words
The process of claim 6 wherein said polyolefin is polyethylene.
Claim 10
Dependent Claim
10 words
The process of claim 6 wherein said polyolefin is polypropylene.
Claim 11
Dependent Claim
15 words
The process of claim 6 wherein said polyolefin is a copolymer of ethylene and propylene.
Claim 12
Dependent Claim
12 words
The process of claim 1 wherein said inorganic material is calcium carbonate.
Claim 13
Dependent Claim
193 words
A thermoplastic material composition comprising (A) about 15 to 90 percent by weight of polyolefin and (B) about 85 to 10 percent by weight of at least one reactive inorganic filler having been prepared by effecting reaction between a mixture consisting essentially of a. an inorganic material substantially comprising at least one compound selected from the group consisting of metal carbonates, metal hydroxides and metal oxides, said metal being selected from the group consisting of beryllium, magnesium, calcium, strontium, barium, zinc, cadmium and aluminum, said compound having a number average particle diameter of from about 0.01 Mu to about 50 Mu and a maximum particle diameter of about 100 Mu , and b. at least one unsaturated aliphatic carboxylic acid having from 3 to 11 carbon atoms, one or two ethylenic unsaturations and one or two carboxylic groups, the proportion of said unsaturated aliphatic or aromatic carboxylic acid being from about 0.05 to 20 percent by weight of the total weight of said inorganic material, with stirring and removal of water from the reaction system at a temperature up to the temperature at which said aliphatic or aromatic carboxylic acid begins to decompose.
Claim 14
Dependent Claim
193 words
A thermoplastic material composition comprising (A) about 15 to 90 percent by weight of polyolefin and (B) about 85 to 10 percent by weight of at least one reactive inorganic filler having been prepared by effecting reaction between a mixture consisting essentially of a. an inorganic material substantially comprising at least one compound selected from the group consisting of metal carbonates, metal hydroxides and metal oxides, said metal being selected from the group consisting of beryllium, magnesium, calcium, strontium, barium, zinc, cadmium and aluminum, said compound having a number average particle diameter of from about 0.01 Mu to about 50 Mu and a maximum particle diameter of about 100 Mu , and b. at least one unsaturated aliphatic carboxylic acid having from 3 to 11 carbon atoms, one or two ethylenic unsaturations and one or two carboxylic groups, the proportion of said unsaturated aliphatic or aromatic carboxylic acid being from about 0.05 to 20 percent by weight of the total weight of said inorganic material, with stirring and removal of water from the reaction system at a temperature up to the temperature at which said aliphatic or aromatic carboxylic acid begins to decompose.
Claim 15
Dependent Claim
11 words
The process of claim 1 wherein said acid is acrylic acid.
Claim 16
Dependent Claim
30 words
The process of claim 6 wherein said polyolefin is a mixture of about 95 to 40 percent by weight of polyolefin and about 5 to 60 percent of elastomeric material.
Claim 17
Dependent Claim
28 words
The process of claim 13 wherein said elastomeric material is selected from the group consisting of butadiene rubber, styrene-butadiene rubber, styrene-butadiene block copolymer, ethylene-propylene rubber and ethylene-vinylacetate copolymer.
Claim 18
Dependent Claim
33 words
The process of claim 6 wherein the amount of said polyolefin is 15 to 80 percent by weight and the amount of said reactive inorganic filler is 85 to 20 percent by weight.
Claim 19
Dependent Claim
33 words
The process of claim 6 wherein the amount of said polyolefin is 30 to 50 percent by weight and the amount of said reactive inorganic filler is 70 to 50 percent by weight.
Claim 20
Dependent Claim
44 words
The process of claim 1 wherein said thermoplastic material is polyamide, the inorganic material is calcium carbonate, the unsaturated acid is acrylic acid or itaconic acid, stirring being conducted with removal of the evolved carbon dioxide at a temperature from about 10* to 200*C.
Claim 21
Dependent Claim
33 words
The process of claim 17 wherein the amount of said polyamide is 20 to 90 percent by weight and the amount of said reactive inorganic filler is 80 to 10 percent by weight.
Claim 22
Dependent Claim
33 words
The process of claim 17 wherein the amount of said polyamide is 50 to 20 percent by weight and the amount of said reactive inorganic material is 50 to 80 percent by weight.
Claim 23
Dependent Claim
10 words
The process of claim 17 wherein said polyamide is polycaprolactam.
Claim 24
Dependent Claim
11 words
The process of claim 17 wherein said polyamide is polyhexamethylene adipamide.
Claim 25
Dependent Claim
66 words
The process of claim 1 wherein said thermoplastic material is polyacetal, said inorganic material is calcium carbonate and said unsaturated acid is acrylic acid, and the polyacetal comprises about 90 to 30 percent by weight and the reactive inorganic filler about 10 to 70 percent by weight, stirring being conducted with removal of the evolved carbon dioxide at a temperature of from about 10* to 200*C.
Claim 26
Dependent Claim
10 words
The process of claim 22 wherein said polyacetal is polyoxymethylene.
Claim 27
Dependent Claim
65 words
The process of claim 1 wherein said thermoplastic material is polyester, said inorganic material is calcium carbonate and said unsaturated acid is acrylic acid, and the polyacetal comprises about 90 to 30 percent by weight and the reactive inorganic filler about 10 to 70 percent by weight, stirring being conducted with removal of the evolved carbon dioxide at a temperature from about 10* to 200*C.
Claim 28
Dependent Claim
33 words
The process of claim 24 wherein the amount of the polyester is 50 to 80 percent by weight and the amount of the reactive inorganic filler is 50 to 20 percent by weight.
Claim 29
Dependent Claim
11 words
The process of claim 24 wherein the polyester is polyethylene terephthalate.
Claim 30
Dependent Claim
86 words
The process of claim 1 wherein said thermoplastic material is polyvinylchloride, said inorganic material substantially comprises at least one compound selected from the group consisting of calcium carbonate, magnesium carbonate, cadmium carbonate, magnesium hydroxide, calcium oxide and aluminum hydroxide, the unsaturated acid is acrylic acid, and the polyvinylchloride comprises about 20 to 90 percent by weight and the reactive inorganic filler about 80 to 10 percent by weight, stirring being conducted with removal of any evolved carbon dioxide at a temperature from about 10* to 200*C.
Claim 31
Dependent Claim
12 words
The process of claim 27 wherein said inorganic material is calcium carbonate.
Claim 32
Dependent Claim
11 words
The process of claim 27 wherein said polyvinylchloride is polyvinylchloride homopolymer.
Claim 33
Dependent Claim
33 words
The process of claim 27 wherein the amount of said polyvinylchloride is 50 to 80 percent by weight and the amount of said reactive inorganic filler is 50 to 20 percent by weight.
Claim 34
Dependent Claim
9 words
The product produced by the process of claim 1.
Claim 35
Dependent Claim
9 words
The product produced by the process of claim 2.
Claim 36
Dependent Claim
9 words
The product produced by the process of claim 6.
Claim 37
Dependent Claim
9 words
The product produced by the process of claim 17.
Claim 38
Dependent Claim
9 words
The product produced by the process of claim 22.
Claim 39
Dependent Claim
9 words
The product produced by the process of claim 24.
Claim 40
Dependent Claim
9 words
The product produced by the process of claim 27.
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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) | 1978-12-15 | 1979-06-16 | 1979-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-15 | 1983-06-16 | 1983-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-15 | 1987-06-16 | 1987-12-16 | $7700.00 | Window Closed / Lapsed |