IT1157379B - Procedimento per la produzione di espansi di resine di polimeri etilenici reticolati con immidi e prodotto ottenuto - Google Patents
Procedimento per la produzione di espansi di resine di polimeri etilenici reticolati con immidi e prodotto ottenutoInfo
- Publication number
- IT1157379B IT1157379B IT51521/78A IT5152178A IT1157379B IT 1157379 B IT1157379 B IT 1157379B IT 51521/78 A IT51521/78 A IT 51521/78A IT 5152178 A IT5152178 A IT 5152178A IT 1157379 B IT1157379 B IT 1157379B
- Authority
- IT
- Italy
- Prior art keywords
- immide
- linked
- procedure
- production
- product obtained
- Prior art date
Links
- 239000006260 foam Substances 0.000 title 1
- 229920000573 polyethylene Polymers 0.000 title 1
- 239000002952 polymeric resin Substances 0.000 title 1
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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/12—Unsaturated polyimide precursors
- C08G73/121—Preparatory processes from unsaturated precursors and polyamines
-
- 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
- C08J2357/00—Characterised by the use of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08J2357/06—Homopolymers or copolymers containing elements other than carbon and hydrogen
- C08J2357/12—Homopolymers or copolymers containing elements other than carbon and hydrogen containing nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84264277A | 1977-10-17 | 1977-10-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7851521A0 IT7851521A0 (it) | 1978-10-16 |
IT1157379B true IT1157379B (it) | 1987-02-11 |
Family
ID=25287887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51521/78A IT1157379B (it) | 1977-10-17 | 1978-10-16 | Procedimento per la produzione di espansi di resine di polimeri etilenici reticolati con immidi e prodotto ottenuto |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0001666B1 (it) |
JP (1) | JPS5465768A (it) |
CA (1) | CA1111997A (it) |
DE (1) | DE2861787D1 (it) |
IT (1) | IT1157379B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1160400A (en) * | 1980-01-04 | 1984-01-10 | The Dow Chemical Company | Thermoplastic foam and process for the preparation thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE316011B (it) * | 1964-11-13 | 1969-10-13 | Rhodiaceta | |
AT279169B (de) * | 1967-01-26 | 1970-02-25 | Rhodiaceta | Verfahren zur herstellung eines vernetzten polyamidharzes |
CH581105A5 (it) * | 1973-11-22 | 1976-10-29 | Ciba Geigy Ag | |
NL7500119A (nl) * | 1974-01-16 | 1975-07-18 | Ciba Geigy | Tot in de hitte stabiele, opgeschuimde materia- len verwerkbare polyimiden bevattende mengsels. |
NL7504357A (nl) * | 1974-04-19 | 1975-10-21 | Rhone Poulenc Ind | Werkwijze voor de bereiding van thermostabiele multicellulaire materialen, alsmede de geheel of ten dele uit deze multicellulaire materialen bestaande gevormde voortbrengsels. |
-
1978
- 1978-09-21 CA CA311,812A patent/CA1111997A/en not_active Expired
- 1978-10-16 IT IT51521/78A patent/IT1157379B/it active
- 1978-10-17 EP EP78200251A patent/EP0001666B1/en not_active Expired
- 1978-10-17 DE DE7878200251T patent/DE2861787D1/de not_active Expired
- 1978-10-17 JP JP12691178A patent/JPS5465768A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2861787D1 (en) | 1982-06-24 |
IT7851521A0 (it) | 1978-10-16 |
JPS5465768A (en) | 1979-05-26 |
EP0001666A2 (en) | 1979-05-02 |
EP0001666A3 (en) | 1979-05-30 |
CA1111997A (en) | 1981-11-03 |
EP0001666B1 (en) | 1982-05-05 |
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