GB1002520A - Polyurethane plastics - Google Patents

Polyurethane plastics

Info

Publication number
GB1002520A
GB1002520A GB4890562A GB4890562A GB1002520A GB 1002520 A GB1002520 A GB 1002520A GB 4890562 A GB4890562 A GB 4890562A GB 4890562 A GB4890562 A GB 4890562A GB 1002520 A GB1002520 A GB 1002520A
Authority
GB
United Kingdom
Prior art keywords
water
reaction
component
less
polyester
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
GB4890562A
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.)
Bayer Corp
Original Assignee
Mobay Corp
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 Mobay Corp filed Critical Mobay Corp
Publication of GB1002520A publication Critical patent/GB1002520A/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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
    • 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
    • C08G18/3863—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms
    • C08G18/3865—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms containing groups having one sulfur atom between two carbon atoms
    • C08G18/3868—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms containing groups having one sulfur atom between two carbon atoms the sulfur atom belonging to a sulfide group

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

A process for the production of shaped non-porous polyurethanes containing free -NCO groups comprises reacting (a) one or more active hydrogen containing compounds of MW at least 600, OH number of 25-190, acid number of less than 2, (b) a chain extending agent other than water having a MW below 300 and (c) an excess of an organic polyisocyanate and shaping the resin formed by the reaction of (a), (b) and (c), wherein less than 0.3% by weight of water is present during and after the reaction and wherein the resin is maintained in an atmosphere containing below 0.0055 lb. of water per lb. of dry air. The component (a) may be a polyester, polyesteramide, polyether or polyacetal. Aromatic, aliphatic and heterocyclic diisocyanates are listed. Components (a), (b) and (c) may be mixed together simultaneously or sequentially. Component (c) may be a glycol, diamine or amino alcohol and may be unsaturated. In Example (1) diphenylmethane 4,41-diisocyanate was added to a mixture of polyethylene glycol adipate polyester and the bis-(beta hydroxy ethyl ether) of hydroquinone and poured on to a waxed tray. The solid was divided and stored under conditions of varying humidity. Specifications 769,682 and 1,002,519 are referred to.
GB4890562A 1962-01-02 1962-12-28 Polyurethane plastics Expired GB1002520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16387062A 1962-01-02 1962-01-02

Publications (1)

Publication Number Publication Date
GB1002520A true GB1002520A (en) 1965-08-25

Family

ID=22591938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4890562A Expired GB1002520A (en) 1962-01-02 1962-12-28 Polyurethane plastics

Country Status (1)

Country Link
GB (1) GB1002520A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463748A (en) * 1967-01-30 1969-08-26 Goodyear Tire & Rubber Method of curing polyurethanes with diamine-ketone mixtures treated with anhydrous drying compounds
US3528948A (en) * 1963-06-25 1970-09-15 Elastomer Ag Thermoplastic polyurethanes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3528948A (en) * 1963-06-25 1970-09-15 Elastomer Ag Thermoplastic polyurethanes
US3463748A (en) * 1967-01-30 1969-08-26 Goodyear Tire & Rubber Method of curing polyurethanes with diamine-ketone mixtures treated with anhydrous drying compounds

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