IT948764B - Procedimento per la produzione di schiuma polimerica e prodotto ottenuto - Google Patents
Procedimento per la produzione di schiuma polimerica e prodotto ottenutoInfo
- Publication number
- IT948764B IT948764B IT48620/72A IT4862072A IT948764B IT 948764 B IT948764 B IT 948764B IT 48620/72 A IT48620/72 A IT 48620/72A IT 4862072 A IT4862072 A IT 4862072A IT 948764 B IT948764 B IT 948764B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- product obtained
- polymer foam
- foam
- Prior art date
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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
-
- 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
- C08G18/09—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
- C08G18/095—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture oligomerisation to carbodiimide or uretone-imine 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/0058—≥50 and <150kg/m3
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/901—Cellular polymer containing a carbodiimide structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/902—Cellular polymer containing an isocyanurate structure
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11989671A | 1971-03-01 | 1971-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT948764B true IT948764B (it) | 1973-06-11 |
Family
ID=22387060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48620/72A IT948764B (it) | 1971-03-01 | 1972-02-28 | Procedimento per la produzione di schiuma polimerica e prodotto ottenuto |
Country Status (9)
Country | Link |
---|---|
US (1) | US3723364A (it) |
JP (1) | JPS5521043B1 (it) |
AU (1) | AU464467B2 (it) |
CA (1) | CA932500A (it) |
DE (1) | DE2208336A1 (it) |
FR (1) | FR2128440B1 (it) |
GB (1) | GB1376079A (it) |
IT (1) | IT948764B (it) |
NL (1) | NL155565B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3859162A (en) * | 1973-05-11 | 1975-01-07 | Minnesota Mining & Mfg | Pre-preg materials, chemically integral composite foam structures prepared therefrom, and methods of preparation |
DE2342148A1 (de) * | 1973-08-21 | 1975-03-06 | Bayer Ag | Neue phosphorhaltige anlagerungsverbindungen und ihre verwendung als katalysatoren bei der herstellung von carbodiimidgruppen aufweisenden schaumstoffen |
US3887501A (en) * | 1973-12-21 | 1975-06-03 | Basf Wyandotte Corp | Process for the preparation of carbodiimide-isocyanurate foams |
US4029610A (en) * | 1974-05-23 | 1977-06-14 | Basf Wyandotte Corporation | Carbodiimide-isocyanurate foams containing urethane linkages |
US3922238A (en) * | 1974-05-23 | 1975-11-25 | Basf Wyandotte Corp | Carbodiimide-isocyanurate foams containing urethane linkages |
US4036792A (en) * | 1975-07-16 | 1977-07-19 | General Latex And Chemical Corporation | Polyisocyanurate foams prepared by a cocatalyst system |
US4067830A (en) * | 1976-03-29 | 1978-01-10 | Ashland Oil, Inc. | Catalytic trimerization of polyisocyanates |
US4234694A (en) * | 1979-05-21 | 1980-11-18 | Bayer Aktiengesellschaft | Addition compounds which contain phosphorus and their use as catalysts for the production of foam resins which contain carbodiimide groups |
US4454257A (en) * | 1983-04-06 | 1984-06-12 | The Dow Chemical Company | Isocyanurate/imide cross-linked resins and foams |
DE3643239C2 (it) * | 1985-03-29 | 1990-12-20 | ||
JPH02163164A (ja) * | 1988-09-22 | 1990-06-22 | Dow Chem Co:The | 反応加工によるポリアミドブレンド |
US4990543A (en) * | 1989-07-13 | 1991-02-05 | Manville Corporation | Lightweight flexible inide foam and method of producing same |
JP2604953B2 (ja) * | 1992-10-23 | 1997-04-30 | 日清紡績株式会社 | 変性ポリイソシアヌレート発泡体の製造法 |
JP3061717B2 (ja) * | 1993-12-03 | 2000-07-10 | 日清紡績株式会社 | 変性ポリイソシアヌレート発泡体の製造法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1441565A (fr) * | 1964-04-08 | 1966-06-10 | Gen Tire & Rubber Co | Polymères d'isocyanurates et leur préparation |
US3657161A (en) * | 1967-10-31 | 1972-04-18 | Baychem Corp | Polycarbodiimide-polyisocyanurate foam |
US3644234A (en) * | 1969-01-27 | 1972-02-22 | Upjohn Co | Method of preparing cellular polymers from organic polyisocyanates and polycarboxylic acid compounds |
CA918880A (en) * | 1970-04-07 | 1973-01-16 | G. Nadeau Herbert | Structural material formed from a rigid cellular polymer having a non-cellular surface |
-
1971
- 1971-03-01 US US00119896A patent/US3723364A/en not_active Expired - Lifetime
-
1972
- 1972-02-07 AU AU38707/72A patent/AU464467B2/en not_active Expired
- 1972-02-07 GB GB558072A patent/GB1376079A/en not_active Expired
- 1972-02-08 CA CA134175A patent/CA932500A/en not_active Expired
- 1972-02-22 DE DE19722208336 patent/DE2208336A1/de not_active Ceased
- 1972-02-24 NL NL7202431.A patent/NL155565B/xx not_active IP Right Cessation
- 1972-02-28 IT IT48620/72A patent/IT948764B/it active
- 1972-02-29 JP JP7220283A patent/JPS5521043B1/ja active Pending
- 1972-02-29 FR FR7206935A patent/FR2128440B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL155565B (nl) | 1978-01-16 |
FR2128440B1 (it) | 1978-05-19 |
DE2208336A1 (de) | 1972-10-26 |
CA932500A (en) | 1973-08-21 |
NL7202431A (it) | 1972-09-05 |
JPS5521043B1 (it) | 1980-06-06 |
US3723364A (en) | 1973-03-27 |
AU464467B2 (en) | 1975-08-12 |
AU3870772A (en) | 1973-08-09 |
FR2128440A1 (it) | 1972-10-20 |
GB1376079A (en) | 1974-12-04 |
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