GB590734A - Improvements in or relating to a process for the production of polyvinyl chloride compositions - Google Patents

Improvements in or relating to a process for the production of polyvinyl chloride compositions

Info

Publication number
GB590734A
GB590734A GB181545A GB181545A GB590734A GB 590734 A GB590734 A GB 590734A GB 181545 A GB181545 A GB 181545A GB 181545 A GB181545 A GB 181545A GB 590734 A GB590734 A GB 590734A
Authority
GB
United Kingdom
Prior art keywords
dibutyl tin
tin
dibutyl
compositions
stabilizer
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
GB181545A
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.)
Distillers Co Yeast Ltd
Distillers Co Ltd
Original Assignee
Distillers Co Yeast Ltd
Distillers Co Ltd
Filing date
Publication date
Application filed by Distillers Co Yeast Ltd, Distillers Co Ltd filed Critical Distillers Co Yeast Ltd
Priority to US644184A priority Critical patent/US2481086A/en
Publication of GB590734A publication Critical patent/GB590734A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/56Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
    • C08K5/57Organo-tin compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Polymers or copolymers of vinyl chloride, or compositions thereof, are stabilized against thermal decomposition by the addition of a dialkyl di-alkoxy compound of tin, lead or germanium, in which the alkyl radicals are such that the corresponding di-alkyl dichloride of the metal is soluble in the polyvinyl chloride. Specified stabilizers are dibutyl tin dimethoxide, dibutyl tin dibutoxide, dibutyl tin diethoxide and dibutyl tin (or lead) dioctoxide. Examples copolymers are those of vinyl chloride with ethyl maleate, vinyl acetate and vinylidene chloride. The stabilizer may be added prior to, during or after polymerization. Plasticizers such as dibutyl phthalate and methyl glycol phthalate may be present in the compositions which may be formed into transparent sheets. The preparation of dibutyl tin dibutoxide is given: butyl magnesium bromide is reacted with an ethereal solution of tin tetra-bromide and the dibutyl tin dibromide formed is reacted in situ with sodium butoxide. If desired, one of the products of decomposition of the stabilizer, e.g. the alcohol, may be removed by volatilization.
GB181545A 1945-01-23 1945-01-23 Improvements in or relating to a process for the production of polyvinyl chloride compositions Expired GB590734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US644184A US2481086A (en) 1945-01-23 1946-01-29 Stabilization of polyvinyl chloride compositions

Publications (1)

Publication Number Publication Date
GB590734A true GB590734A (en) 1947-07-28

Family

ID=1627000

Family Applications (1)

Application Number Title Priority Date Filing Date
GB181545A Expired GB590734A (en) 1945-01-23 1945-01-23 Improvements in or relating to a process for the production of polyvinyl chloride compositions

Country Status (1)

Country Link
GB (1) GB590734A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE915939C (en) * 1948-05-28 1954-08-02 Advance Solvents & Chemical Co Process for the production of organic tin compounds
US2745820A (en) * 1949-06-30 1956-05-15 Carlisle Chemical Works Tri-butyl-tin-mono-methoxide and polyvinyl chloride resin stabilized therewith
DE969555C (en) * 1952-03-26 1958-06-19 Albert Ag Chem Werke Process for the production of high quality rubber compounds

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE915939C (en) * 1948-05-28 1954-08-02 Advance Solvents & Chemical Co Process for the production of organic tin compounds
US2745820A (en) * 1949-06-30 1956-05-15 Carlisle Chemical Works Tri-butyl-tin-mono-methoxide and polyvinyl chloride resin stabilized therewith
DE969555C (en) * 1952-03-26 1958-06-19 Albert Ag Chem Werke Process for the production of high quality rubber compounds

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