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GB1298107A - Method of making injection moulded and extrusion moulded articles from polyesters - Google Patents

Method of making injection moulded and extrusion moulded articles from polyesters

Info

Publication number
GB1298107A
GB1298107A GB1644870A GB1644870A GB1298107A GB 1298107 A GB1298107 A GB 1298107A GB 1644870 A GB1644870 A GB 1644870A GB 1644870 A GB1644870 A GB 1644870A GB 1298107 A GB1298107 A GB 1298107A
Authority
GB
United Kingdom
Prior art keywords
polyester
acid
april
silicate
moulding
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
Application number
GB1644870A
Inventor
Joseph Hrach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandoz AG
Original Assignee
Sandoz AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sandoz AG filed Critical Sandoz AG
Publication of GB1298107A publication Critical patent/GB1298107A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/20—Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

1298107 Polyester injection moulding compositions SANDOZ Ltd 7 April 1970 [17 April 1969] 16448/70 Heading C3R A polyester moulding composition suitable for injection moulding has incorporated therein, either before or during the moulding step, from 0À001 to 2% by weight, based on the weight of polyester, of at least one substance which promotes crystallization, the polyester having an intrinsic viscosity of at least 0À80 and containing residues of: (a) at least one dicarboxylic acid selected from terephthalic acid, isophthalic acid, 4,4<SP>1</SP>-dicarboxy-diphenyl, di-(4-carboxyphenyl)- sulphone and 2,6-naphthalene dioarboxylic acid, at least 85 mol. per cent of said acid being terephthalic acid, (b) a saturated dihydric alcohol and (c) 0À001 to 1 mole per 100 moles of component (a) of at least one compound bearing not less than three polyester-forming functional groups. The compound bearing not less than three polyester-forming groups may be an at least trihydric alcohol, an at least tricarboxylic acid or an at least trifunctional hydroxycarboxylic acid. The crystallization promoter may be calcium carbonate, silicate, sulphate or oxalate, magnesium stearate or silicate, talcum powder, benzophenone, tetralin, tetrachloroethane, dioxane, analine or m-cresol and additionally polyolefins, polystyrene or olefin/ styrene copolymers. In the examples the polyester is produced from dimethyl terephthalate, ethylene glycol and pentaerythritol.
GB1644870A 1969-04-17 1970-04-07 Method of making injection moulded and extrusion moulded articles from polyesters Expired GB1298107A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT370869A AT288711B (en) 1969-04-17 1969-04-17 Process for the production of injection molded and extrusion molded articles from polyesters

Publications (1)

Publication Number Publication Date
GB1298107A true GB1298107A (en) 1972-11-29

Family

ID=3554296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1644870A Expired GB1298107A (en) 1969-04-17 1970-04-07 Method of making injection moulded and extrusion moulded articles from polyesters

Country Status (6)

Country Link
AT (1) AT288711B (en)
CH (1) CH532101A (en)
DE (1) DE2017688A1 (en)
FR (1) FR2039248A1 (en)
GB (1) GB1298107A (en)
NL (1) NL7005089A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2524121C2 (en) * 1975-05-30 1986-02-06 Basf Ag, 6700 Ludwigshafen Use of polybutylene terephthalate molding compounds for the production of molded parts by injection molding
US4182841A (en) * 1978-06-12 1980-01-08 The Goodyear Tire & Rubber Company Composition of copolyesters

Also Published As

Publication number Publication date
DE2017688A1 (en) 1970-11-05
FR2039248A1 (en) 1971-01-15
NL7005089A (en) 1970-10-20
CH532101A (en) 1972-12-31
AT288711B (en) 1971-03-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PLNP Patent lapsed through nonpayment of renewal fees