BE787798A - Procede de preparation d'homopolymeres et de copolymeres d'acetals cycliques - Google Patents
Procede de preparation d'homopolymeres et de copolymeres d'acetals cycliquesInfo
- Publication number
- BE787798A BE787798A BE787798DA BE787798A BE 787798 A BE787798 A BE 787798A BE 787798D A BE787798D A BE 787798DA BE 787798 A BE787798 A BE 787798A
- Authority
- BE
- Belgium
- Prior art keywords
- homopolymers
- copolymers
- preparation
- cyclic acetals
- acetals
- 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
- C08G4/00—Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—
-
- 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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/10—Polymerisation of cyclic oligomers of formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2141600A DE2141600A1 (de) | 1971-08-19 | 1971-08-19 | Verfahren zur herstellung von homound copolymerisaten des trioxans |
Publications (1)
Publication Number | Publication Date |
---|---|
BE787798A true BE787798A (fr) | 1973-02-21 |
Family
ID=5817201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE787798D BE787798A (fr) | 1971-08-19 | Procede de preparation d'homopolymeres et de copolymeres d'acetals cycliques |
Country Status (9)
Country | Link |
---|---|
US (1) | US3848020A (fr) |
JP (1) | JPS5517765B2 (fr) |
BE (1) | BE787798A (fr) |
CA (1) | CA975099A (fr) |
DE (1) | DE2141600A1 (fr) |
FR (1) | FR2149579B1 (fr) |
GB (1) | GB1390976A (fr) |
IT (1) | IT964039B (fr) |
NL (1) | NL7211082A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4788258A (en) * | 1987-09-14 | 1988-11-29 | Hoechst Celanese Corporation | Low Tg non-crystalline acetal copolymers |
US4847332A (en) * | 1987-12-07 | 1989-07-11 | The B. F. Goodrich Company | Terminally unsaturated macromolecular monomers of polyformals and copolymers thereof |
US4906728A (en) * | 1988-04-13 | 1990-03-06 | Hoechst Celanese Corp. | Acetal copolymers with backbone bromo functional groups |
US5071952A (en) * | 1988-04-13 | 1991-12-10 | Hoechst Celanese Corporation | (iodo-urea and iodo-isocyano) dioxepane trioxane copolymers |
US5034499A (en) * | 1988-04-13 | 1991-07-23 | Hoechst Celanese Corp. | Acetal copolymers with backbone epoxide functional groups |
US4898925A (en) * | 1988-09-12 | 1990-02-06 | Hoechst Celanese Corporation | Elastomeric acetal polymers |
US4937312A (en) * | 1989-12-11 | 1990-06-26 | Hoechst Celanese Corp. | Process for producing elastomeric acetal polymers |
SG82521A1 (en) * | 1990-10-05 | 2001-08-21 | Asahi Chemical Ind | Polyoxymethylene copolymer and process for producing the copolymer |
DE102006044465A1 (de) | 2006-09-21 | 2008-04-03 | Ticona Gmbh | Initiator |
US7902324B2 (en) | 2006-09-26 | 2011-03-08 | Ticona Gmbh | Initiator |
-
0
- BE BE787798D patent/BE787798A/fr unknown
-
1971
- 1971-08-19 DE DE2141600A patent/DE2141600A1/de active Pending
-
1972
- 1972-08-14 NL NL7211082A patent/NL7211082A/xx not_active Application Discontinuation
- 1972-08-16 GB GB3826172A patent/GB1390976A/en not_active Expired
- 1972-08-17 CA CA149,603A patent/CA975099A/en not_active Expired
- 1972-08-17 IT IT28253/72A patent/IT964039B/it active
- 1972-08-17 US US00281559A patent/US3848020A/en not_active Expired - Lifetime
- 1972-08-17 JP JP8187272A patent/JPS5517765B2/ja not_active Expired
- 1972-08-21 FR FR7229812A patent/FR2149579B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3848020A (en) | 1974-11-12 |
IT964039B (it) | 1974-01-21 |
JPS4829894A (fr) | 1973-04-20 |
GB1390976A (en) | 1975-04-16 |
NL7211082A (fr) | 1973-02-21 |
FR2149579B1 (fr) | 1976-03-12 |
CA975099A (en) | 1975-09-23 |
JPS5517765B2 (fr) | 1980-05-14 |
FR2149579A1 (fr) | 1973-03-30 |
DE2141600A1 (de) | 1973-03-01 |
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