BR7304516D0 - Um processo para preparacao de resinas de poliuretano diretamente em forma finamente dividida - Google Patents

Um processo para preparacao de resinas de poliuretano diretamente em forma finamente dividida

Info

Publication number
BR7304516D0
BR7304516D0 BR4516/73A BR451673A BR7304516D0 BR 7304516 D0 BR7304516 D0 BR 7304516D0 BR 4516/73 A BR4516/73 A BR 4516/73A BR 451673 A BR451673 A BR 451673A BR 7304516 D0 BR7304516 D0 BR 7304516D0
Authority
BR
Brazil
Prior art keywords
preparation
polyurethane resins
divided form
finally divided
resins directly
Prior art date
Application number
BR4516/73A
Other languages
English (en)
Inventor
J Mcgarr
Original Assignee
Usm 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 Usm Corp filed Critical Usm Corp
Publication of BR7304516D0 publication Critical patent/BR7304516D0/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
    • C08G18/08—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
    • 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
    • C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
    • C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
    • C08G18/0861—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers
    • C08G18/0871—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers the dispersing or dispersed phase being organic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
BR4516/73A 1972-06-16 1973-06-18 Um processo para preparacao de resinas de poliuretano diretamente em forma finamente dividida BR7304516D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00263658A US3817886A (en) 1972-06-16 1972-06-16 Manufacture of particulate polyurethane material in an organic mediumand in the presence of a bentone

Publications (1)

Publication Number Publication Date
BR7304516D0 true BR7304516D0 (pt) 1974-09-05

Family

ID=23002715

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4516/73A BR7304516D0 (pt) 1972-06-16 1973-06-18 Um processo para preparacao de resinas de poliuretano diretamente em forma finamente dividida

Country Status (4)

Country Link
US (1) US3817886A (pt)
BE (1) BE801002A (pt)
BR (1) BR7304516D0 (pt)
SU (1) SU655318A3 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032516A (en) * 1973-05-09 1977-06-28 Usm Corporation Method of making polyurethane powder
US3894994A (en) * 1973-09-20 1975-07-15 Usm Corp Continuous method of making polyurethane powder
US4000218A (en) * 1973-12-03 1976-12-28 Union Carbide Corporation Process for preparing particulate polyurethane polymers and the polymers derived therefrom
US4070346A (en) * 1975-01-21 1978-01-24 Bayer Aktiengesellschaft Production of polyurethane powder
US4083831A (en) * 1976-04-09 1978-04-11 Armstrong Cork Company Process for the preparation of granular urethane-urea polymers
US4107256A (en) * 1977-04-18 1978-08-15 The Firestone Tire & Rubber Company Suspension polymerization of polyurethanes and spin-molding the powder product thereof
US4833177A (en) * 1987-12-03 1989-05-23 Ppg Industries, Inc. Method for preparing stably dispersed nonaqueous microparticle dispersion
US4783502A (en) * 1987-12-03 1988-11-08 Ppg Industries, Inc. Stable nonaqueous polyurethane microparticle dispersion
US5084506A (en) * 1987-12-03 1992-01-28 Ppg Industries, Inc. Stable nonaqueous microparticle dispersions prepared from aminoplast resins
US4940750A (en) * 1989-04-28 1990-07-10 Bayer Aktiengesellschaft Continuous process for the production of powdered polyisocyanate addition products and the powders produced therefrom
JP2929294B2 (ja) * 1989-05-30 1999-08-03 大日本インキ化学工業株式会社 顔料化されたポリウレタンポリ尿素粒子およびその製造方法

Also Published As

Publication number Publication date
SU655318A3 (ru) 1979-03-30
US3817886A (en) 1974-06-18
BE801002A (fr) 1973-10-01

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