PT75593B - Polyurethanes useful as engineering plastics - Google Patents

Polyurethanes useful as engineering plastics

Info

Publication number
PT75593B
PT75593B PT75593A PT7559382A PT75593B PT 75593 B PT75593 B PT 75593B PT 75593 A PT75593 A PT 75593A PT 7559382 A PT7559382 A PT 7559382A PT 75593 B PT75593 B PT 75593B
Authority
PT
Portugal
Prior art keywords
prepared
isocyanate
molecular weight
reactive material
polyurethane resins
Prior art date
Application number
PT75593A
Other languages
English (en)
Other versions
PT75593A (en
Original Assignee
Upjohn Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23205838&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT75593(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Upjohn Co filed Critical Upjohn Co
Publication of PT75593A publication Critical patent/PT75593A/pt
Publication of PT75593B publication Critical patent/PT75593B/pt

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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • 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
    • C08G18/65—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
    • C08G2120/00—Compositions for reaction injection moulding processes

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)
  • Materials For Medical Uses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Organic Insulating Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Medicinal Preparation (AREA)
  • Saccharide Compounds (AREA)
PT75593A 1981-10-14 1982-09-22 Polyurethanes useful as engineering plastics PT75593B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/311,198 US4376834A (en) 1981-10-14 1981-10-14 Polyurethane prepared by reaction of an organic polyisocyanate, a chain extender and an isocyanate-reactive material of m.w. 500-20,000 characterized by the use of only 2-25 percent by weight of the latter material

Publications (2)

Publication Number Publication Date
PT75593A PT75593A (en) 1982-10-01
PT75593B true PT75593B (en) 1984-12-10

Family

ID=23205838

Family Applications (1)

Application Number Title Priority Date Filing Date
PT75593A PT75593B (en) 1981-10-14 1982-09-22 Polyurethanes useful as engineering plastics

Country Status (17)

Country Link
US (1) US4376834A (pt)
EP (1) EP0080031B2 (pt)
JP (1) JPS5879007A (pt)
AT (1) ATE31723T1 (pt)
AU (1) AU555318B2 (pt)
BR (1) BR8205937A (pt)
CA (1) CA1208843A (pt)
DE (1) DE3277913D1 (pt)
DK (1) DK450982A (pt)
ES (1) ES8503701A1 (pt)
FI (1) FI70236C (pt)
MX (1) MX162272A (pt)
NO (1) NO157333C (pt)
NZ (1) NZ201625A (pt)
PT (1) PT75593B (pt)
SU (1) SU1297733A3 (pt)
ZA (1) ZA826047B (pt)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
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Also Published As

Publication number Publication date
AU8939582A (en) 1983-04-21
MX162272A (es) 1991-04-19
ZA826047B (en) 1983-07-27
CA1208843A (en) 1986-07-29
AU555318B2 (en) 1986-09-18
DK450982A (da) 1983-04-15
US4376834A (en) 1983-03-15
ES516109A0 (es) 1985-04-16
BR8205937A (pt) 1983-09-13
SU1297733A3 (ru) 1987-03-15
EP0080031B2 (en) 1997-05-28
PT75593A (en) 1982-10-01
EP0080031B1 (en) 1988-01-07
NO157333C (no) 1988-03-02
FI70236C (fi) 1986-09-15
ATE31723T1 (de) 1988-01-15
FI823408L (fi) 1983-04-15
NO823415L (no) 1983-04-15
EP0080031A1 (en) 1983-06-01
JPS6154325B2 (pt) 1986-11-21
FI70236B (fi) 1986-02-28
DE3277913D1 (en) 1988-02-11
ES8503701A1 (es) 1985-04-16
FI823408A0 (fi) 1982-10-07
NZ201625A (en) 1985-05-31
JPS5879007A (ja) 1983-05-12
NO157333B (no) 1987-11-23

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