IT1295026B1 - Procedimento per la preparazione di espansi poliuretanici rigidi aventi struttura a celle aperte - Google Patents

Procedimento per la preparazione di espansi poliuretanici rigidi aventi struttura a celle aperte

Info

Publication number
IT1295026B1
IT1295026B1 ITMI972115A IT1295026B1 IT 1295026 B1 IT1295026 B1 IT 1295026B1 IT MI972115 A ITMI972115 A IT MI972115A IT 1295026 B1 IT1295026 B1 IT 1295026B1
Authority
IT
Italy
Prior art keywords
procedure
preparation
cell structure
open cell
polyurethane foams
Prior art date
Application number
Other languages
English (en)
Inventor
Corrado Cecchini
Luciano Ciriello
Vittorio Tartari
Angelo Tolomei
Original Assignee
Enichem Spa
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 Enichem Spa filed Critical Enichem Spa
Priority to ITMI972115 priority Critical patent/IT1295026B1/it
Priority to EP98115947A priority patent/EP0903368A1/en
Publication of ITMI972115A1 publication Critical patent/ITMI972115A1/it
Application granted granted Critical
Publication of IT1295026B1 publication Critical patent/IT1295026B1/it

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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • 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
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/05—Open cells, i.e. more than 50% of the pores are open
    • 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
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/10—Rigid foams
    • 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
    • C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
ITMI972115 1997-09-18 1997-09-18 Procedimento per la preparazione di espansi poliuretanici rigidi aventi struttura a celle aperte IT1295026B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI972115 IT1295026B1 (it) 1997-09-18 1997-09-18 Procedimento per la preparazione di espansi poliuretanici rigidi aventi struttura a celle aperte
EP98115947A EP0903368A1 (en) 1997-09-18 1998-08-25 Process for the preparation of rigid polyurethane expanded products with an open cell structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI972115 IT1295026B1 (it) 1997-09-18 1997-09-18 Procedimento per la preparazione di espansi poliuretanici rigidi aventi struttura a celle aperte

Publications (2)

Publication Number Publication Date
ITMI972115A1 ITMI972115A1 (it) 1999-03-18
IT1295026B1 true IT1295026B1 (it) 1999-04-27

Family

ID=11377890

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI972115 IT1295026B1 (it) 1997-09-18 1997-09-18 Procedimento per la preparazione di espansi poliuretanici rigidi aventi struttura a celle aperte

Country Status (2)

Country Link
EP (1) EP0903368A1 (it)
IT (1) IT1295026B1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101263577B1 (ko) * 2010-12-24 2013-05-13 (주)엘지하우시스 페놀수지 경화 발포체로 이루어진 진공단열재용 심재와 이를 이용한 진공단열재 및 그 제조 방법
US10081702B2 (en) 2015-08-13 2018-09-25 Covestro Llc Polyether polyol compositions and polyurethane foams formed therefrom
CN117320888A (zh) 2021-05-17 2023-12-29 绿色科技复合材料有限责任公司 具有染料升华印刷图像的聚合物制品及其形成方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1085037A (en) * 1963-11-09 1967-09-27 Mitsui Chemical Ind Co Ltd Process for producing semi-rigid polyurethane foam
US5405885A (en) * 1992-04-22 1995-04-11 Basf Corporation Rigid polyurethane/polyisocyanate foams containing paraffinic based oils
US5310766A (en) * 1992-06-15 1994-05-10 The Dow Chemical Company Foam stabilizing additive and polyurethane foam prepared in the presence thereof
US5250579A (en) * 1992-09-28 1993-10-05 The Dow Chemical Company Cellular polymer containing perforated cell windows and a process for the preparation thereof
DE4303887A1 (de) * 1993-02-10 1994-04-21 Bayer Ag Harte Polyurethanschaumstoffe bildende Einkomponentensysteme

Also Published As

Publication number Publication date
EP0903368A1 (en) 1999-03-24
ITMI972115A1 (it) 1999-03-18

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Legal Events

Date Code Title Description
0001 Granted