ES8308340A1 - Procedimiento para preparar espumas de poliuretano rigidas cargadas de almidon. - Google Patents

Procedimiento para preparar espumas de poliuretano rigidas cargadas de almidon.

Info

Publication number
ES8308340A1
ES8308340A1 ES509755A ES509755A ES8308340A1 ES 8308340 A1 ES8308340 A1 ES 8308340A1 ES 509755 A ES509755 A ES 509755A ES 509755 A ES509755 A ES 509755A ES 8308340 A1 ES8308340 A1 ES 8308340A1
Authority
ES
Spain
Prior art keywords
starch
polyurethane foams
rigid polyurethane
extended
moulding mass
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
ES509755A
Other languages
English (en)
Other versions
ES509755A0 (es
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.)
Unilever Bestfoods North America
Original Assignee
Unilever Bestfoods North America
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 Unilever Bestfoods North America filed Critical Unilever Bestfoods North America
Publication of ES8308340A1 publication Critical patent/ES8308340A1/es
Publication of ES509755A0 publication Critical patent/ES509755A0/es
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

UN PROCEDIMIENTO PARA PREPARAR ESPUMAS DE POLIURETANO RIGIDAS CARGADAS CON ALMIDON. SE HACE REACCIONAR UN POLIETER-POLIOL CON UN ISOCIANATO EN PRESENCIA DE UN CATALIZADOR, UN AGENTE DE ESPUMACION, UN ESTABILIZADOR DE ESPUMA Y UNA CARGA DE ALMIDON; DICHA CARGA CONSISTE, AL MENOS EN PARTE, EN ALMIDON PREGELATINIZADO ESENCIALMENTE EXENTO DE PARTICULAS DE DIAMETRO MAYOR DE 3 MM PRESENTANDO UN CONTENIDO DE AGUA DE A LO SUMO 15% EN P/P. LA CARGA DE ALMIDON CONSISTE EN AL MENOS 80 A 90% EN PESO DE ALMIDON PREGELATINIZADO.
ES509755A 1981-02-20 1982-02-19 Procedimiento para preparar espumas de poliuretano rigidas cargadas de almidon. Granted ES509755A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3106246A DE3106246C2 (de) 1981-02-20 1981-02-20 Formmasse für mit Stärke gefüllte Polyurethanhartschäume

Publications (2)

Publication Number Publication Date
ES8308340A1 true ES8308340A1 (es) 1983-08-16
ES509755A0 ES509755A0 (es) 1983-08-16

Family

ID=6125308

Family Applications (1)

Application Number Title Priority Date Filing Date
ES509755A Granted ES509755A0 (es) 1981-02-20 1982-02-19 Procedimiento para preparar espumas de poliuretano rigidas cargadas de almidon.

Country Status (12)

Country Link
EP (1) EP0058921B1 (es)
JP (1) JPS57139114A (es)
AR (1) AR225574A1 (es)
BR (1) BR8200573A (es)
CA (1) CA1177200A (es)
DE (1) DE3106246C2 (es)
DK (1) DK149455C (es)
ES (1) ES509755A0 (es)
FI (1) FI73709C (es)
MX (1) MX7514E (es)
NO (1) NO158189C (es)
ZA (1) ZA818700B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU564734B2 (en) * 1982-07-16 1987-08-27 C.R. Bard Inc. Breathable ostomy gasket composition and ostomy bag seal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956202A (en) * 1973-11-14 1976-05-11 Kohkoku Chemical Industry Co. Ltd. Process for preparing low smoke-generating rigid polyurethane foam
US4156759A (en) * 1978-01-16 1979-05-29 Krause Milling Company Polyurethane foams containing stabilized amylaceous materials
US4197372A (en) * 1978-01-16 1980-04-08 Krause Milling Company Semi-flexible polyurethane foams containing amylaceous material and process for preparing same
JPS5550967A (en) * 1978-10-06 1980-04-14 Sumitomo Metal Ind Ltd Preventing device for flying of slag

Also Published As

Publication number Publication date
EP0058921B1 (de) 1989-11-08
DK149455C (da) 1986-11-24
AR225574A1 (es) 1982-03-31
BR8200573A (pt) 1982-12-07
MX7514E (es) 1989-05-25
NO158189B (no) 1988-04-18
ZA818700B (en) 1982-10-27
FI73709B (fi) 1987-07-31
FI73709C (fi) 1987-11-09
JPH0310653B2 (es) 1991-02-14
DE3106246A1 (de) 1982-09-02
EP0058921A1 (de) 1982-09-01
NO158189C (no) 1988-07-27
DK149455B (da) 1986-06-16
DE3106246C2 (de) 1984-12-20
JPS57139114A (en) 1982-08-27
FI813939L (fi) 1982-08-21
ES509755A0 (es) 1983-08-16
CA1177200A (en) 1984-10-30
NO820523L (no) 1982-08-23
DK72182A (da) 1982-08-21

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203