GB1376331A - Polymers - Google Patents

Polymers

Info

Publication number
GB1376331A
GB1376331A GB651371A GB651371A GB1376331A GB 1376331 A GB1376331 A GB 1376331A GB 651371 A GB651371 A GB 651371A GB 651371 A GB651371 A GB 651371A GB 1376331 A GB1376331 A GB 1376331A
Authority
GB
United Kingdom
Prior art keywords
prepolymer
reactant mixture
blowing
liquid
lactone
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
GB651371A
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.)
Evonik LIL Ltd
Original Assignee
Laporte Industries Ltd
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 Laporte Industries Ltd filed Critical Laporte Industries Ltd
Priority to GB651371A priority Critical patent/GB1376331A/en
Priority to US00384568A priority patent/US3856716A/en
Priority to FR7429338A priority patent/FR2282439A1/en
Publication of GB1376331A publication Critical patent/GB1376331A/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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
    • C08G18/4269—Lactones
    • C08G18/4277—Caprolactone and/or substituted caprolactone
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/161—Catalysts containing two or more components to be covered by at least two of the groups C08G18/166, C08G18/18 or C08G18/22
    • C08G18/163—Catalysts containing two or more components to be covered by at least two of the groups C08G18/166, C08G18/18 or C08G18/22 covered by C08G18/18 and C08G18/22
    • C08G18/165—Catalysts containing two or more components to be covered by at least two of the groups C08G18/166, C08G18/18 or C08G18/22 covered by C08G18/18 and C08G18/22 covered by C08G18/18 and C08G18/24
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0066—≥ 150kg/m3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

1376331 Polyurethane foams LAPORTE INDUSTRIES Ltd 8 March 1972 [10 March 1971] 6513/71 Heading C3R Polyurethane foams are prepared by (a) forming a liquid prepolymer by reacting a polyisocyanate with a liquid copolymer of a lactone and an epoxide, (b) dissolving an active-hydrogen containing polyfunctional cross-linking agent in a liquid copolymer of a lactone and an epoxide to form a reactant mixture, (c) dissolving a blowing agent in either the prepolymer of (a) or the reactant mixture of (b) and (d) mixing together the reactant mixture and the prepolymer to cause them to react and the blowing agent to generate a blowing gas. The liquid copolymer is most suitably derived from e-caprolactone and ethylene oxide and has a M.W. of 700 to 4000. Preferably the polyisocyanate is a diisocyanate such as 4,4<SP>1</SP>-diisocyanato diphenylmethane. The cross-linking agent is suitably a diol such as butane-1,4-diol. Surfactants and/or catalysts may be dissolved or suspended in the prepolymer or reactant mixture. Water and halogenated hydrocarbons are the preferred blowing agents.
GB651371A 1971-03-10 1971-03-10 Polymers Expired GB1376331A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB651371A GB1376331A (en) 1971-03-10 1971-03-10 Polymers
US00384568A US3856716A (en) 1971-03-10 1973-08-01 High density polyurethane foams
FR7429338A FR2282439A1 (en) 1971-03-10 1974-08-23 PROCESS FOR PRODUCING A POLYURETHANE FOAM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB651371A GB1376331A (en) 1971-03-10 1971-03-10 Polymers
FR7429338A FR2282439A1 (en) 1971-03-10 1974-08-23 PROCESS FOR PRODUCING A POLYURETHANE FOAM

Publications (1)

Publication Number Publication Date
GB1376331A true GB1376331A (en) 1974-12-04

Family

ID=26218495

Family Applications (1)

Application Number Title Priority Date Filing Date
GB651371A Expired GB1376331A (en) 1971-03-10 1971-03-10 Polymers

Country Status (2)

Country Link
FR (1) FR2282439A1 (en)
GB (1) GB1376331A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419950A1 (en) * 1978-03-14 1979-10-12 Ugine Kuhlmann PROCESS FOR PREPARING POLYOLS WITH CARBOXYALKYLENIC UNITS, APPLICATION OF THESE POLYOLS TO THE MANUFACTURE OF POLYURETHANNES

Also Published As

Publication number Publication date
FR2282439B1 (en) 1978-06-09
FR2282439A1 (en) 1976-03-19

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees