GB1021699A - A method of moulding finely divided particles with a resin - Google Patents
A method of moulding finely divided particles with a resinInfo
- Publication number
- GB1021699A GB1021699A GB4801762A GB4801762A GB1021699A GB 1021699 A GB1021699 A GB 1021699A GB 4801762 A GB4801762 A GB 4801762A GB 4801762 A GB4801762 A GB 4801762A GB 1021699 A GB1021699 A GB 1021699A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resin
- moulding
- calcium carbonate
- melting point
- dibutyl tin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A method of moulding comprises (1) mixing 100 parts by weight of thermoplastic resin, at least 150 parts by weight of a finely divided filler and at least 150 parts by weight of an organic liquid which acts as a swelling agent on said thermoplastic resin at a temperature from 50 degrees below the melting point up to the melting point of the resin, and is capable of being evaporated at the melting point of the resin, said filler being thermally stable, insoluble in the organic liquid, and consisting of particles of less than 10 microns diameter; and (2) heating the mixture gradually to the melting point of the resin to evaporate the liquid and melt the resin whereby the finely divided filler appears on the surface of the moulding. The compositions may also comprise pigments, stabilizers, and foaming agents to give the products porosity and gas permeability. Specified foaming agents are polyethylene glycol ethers and ether esters, e.g. tetraethylene glycol diethyl ether, polyoxyethylene oleyl ether and polyethylene glycol monostearate, and carboxylic acid esters, which may be extracted by washing the product with water. The moulding may be shaped by an extruder, roll, callender or press, or may be cast as a film or sheet on an endless belt. Specified resins are polyvinyl chloride, polyvinyl acetate, polyvinyl alcohol, polyethylene, polypropylene, chlorosulphonated polyethylene, natural and synthetic rubbers such as polychloroprene, styrene/butadiene rubbers and nitrile/butadiene rubbers, and chlorinate rubber. Specified organic liquids are solvent naphtha, a - and b -methylnaphthalene mixtures, diacetone alcohol, cyclohexanone, xylene, benzene, nitrobenzene, dichlorobenzene, ethanol, tetrahydrofurfural, tetrahydronaphthalene, triethylene glycol ethyl ether acetate, diethylene glycol butyl ether acetate and decahydronaphthalene. Specified fillers are calcium carbonate, titanium white, clay, powdered pottery, diatomaceous earth, glass, aluminium, iron, natural, e.g. bamboo, straw, pulp, reed, weeds, felt and cotton, fibres and synthetic fibres. Examples describe the moulding of compositions comprising polyvinyl chloride, titanium dioxide, solvent naptha, a -and b -methylnaphthalenes together with (1) dioxtyl phthalate, dibutyl tin laurate and calcium carbonate, (4) lead stearate, cadmium stearate, calcium carbonate and clay, (5) tricresyl phosphate, dibutyl tin laurate and powdered pottery, and (6) tricresyl phosphate, dibutyl tin laurate and aluminium to give cast films; together with (2) dioctyl phthalate, nitrile/butadiene rubber, dibutyl tin maleate, calcium carbonate, diacetone alcohol and polyethylene glycol monostearate which is subsequently leached out with water to give cast porous sheets; and together with (3) acrylonitrile/butadiene/styrene copolymer, calcium stearate and calcium carbonate to form tumblers and bottles.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4678761 | 1961-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1021699A true GB1021699A (en) | 1966-03-09 |
Family
ID=12757025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4801762A Expired GB1021699A (en) | 1961-12-26 | 1962-12-19 | A method of moulding finely divided particles with a resin |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1494232A1 (en) |
| GB (1) | GB1021699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2205840B (en) * | 1987-06-02 | 1991-04-03 | Ecc Int Ltd | Wear resistant material |
-
1962
- 1962-12-19 GB GB4801762A patent/GB1021699A/en not_active Expired
- 1962-12-22 DE DE19621494232 patent/DE1494232A1/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2205840B (en) * | 1987-06-02 | 1991-04-03 | Ecc Int Ltd | Wear resistant material |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1494232A1 (en) | 1969-01-16 |
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