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 aperteInfo
- 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
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)
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)
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 |
US20240191050A1 (en) | 2021-05-17 | 2024-06-13 | Greentech Composites Llc | Polymeric articles having dye sublimation printed images and method to form them |
Family Cites Families (5)
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 |
-
1997
- 1997-09-18 IT ITMI972115 patent/IT1295026B1/it active IP Right Grant
-
1998
- 1998-08-25 EP EP98115947A patent/EP0903368A1/en not_active Withdrawn
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 |