AT290842B - Process for polymerizing in slurry one or more β-propiolactones - Google Patents

Process for polymerizing in slurry one or more β-propiolactones

Info

Publication number: AT290842B
Authority: AT; Austria
Prior art keywords: propiolactones; polymerizing; slurry
Prior art date: 1967-04-14

Application number

AT360368A

Other languages

German (de)

Original Assignee

Shell Int Research

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.)

1967-04-14

Filing date

1968-04-11

Publication date

1971-06-25

1967-04-14 Priority claimed from GB1719667A external-priority patent/GB1133293A/en

1968-04-11 Application filed by Shell Int Research filed Critical Shell Int Research

1971-06-25 Application granted granted Critical

1971-06-25 Publication of AT290842B publication Critical patent/AT290842B/en

Links

VEZXCJBBBCKRPI-UHFFFAOYSA-N beta-propiolactone Chemical class O=C1CCO1 VEZXCJBBBCKRPI-UHFFFAOYSA-N 0.000 title 1
230000000379 polymerizing effect Effects 0.000 title 1
239000002002 slurry Substances 0.000 title 1

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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Polyesters Or Polycarbonates (AREA)
Polymerization Catalysts (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

AT360368A 1967-04-14 1968-04-11 Process for polymerizing in slurry one or more β-propiolactones AT290842B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB1719767A GB1133294A (en)	1967-04-14	1967-04-14	Polymerisation of pivalolactone
GB1719667A GB1133293A (en)	1967-04-14	1967-04-14	Process for the manufacture of lactone prepolymers

Publications (1)

Publication Number	Publication Date
AT290842B true AT290842B (en)	1971-06-25

Family

ID=26252532

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT360368A AT290842B (en)	1967-04-14	1968-04-11	Process for polymerizing in slurry one or more β-propiolactones

Country Status (9)

Country	Link
AT (1)	AT290842B (en)
BE (1)	BE713537A (en)
CH (1)	CH511261A (en)
DE (1)	DE1795608A1 (en)
ES (1)	ES352676A1 (en)
FR (1)	FR1563332A (en)
GB (1)	GB1133294A (en)
NL (2)	NL6805166A (en)
SE (1)	SE333639B (en)

0
- NL NL137350D patent/NL137350C/xx active
1967
- 1967-04-14 GB GB1719767A patent/GB1133294A/en not_active Expired
1968
- 1968-04-11 FR FR1563332D patent/FR1563332A/fr not_active Expired
- 1968-04-11 DE DE19681795608 patent/DE1795608A1/en active Pending
- 1968-04-11 AT AT360368A patent/AT290842B/en not_active IP Right Cessation
- 1968-04-11 BE BE713537D patent/BE713537A/xx unknown
- 1968-04-11 NL NL6805166A patent/NL6805166A/xx unknown
- 1968-04-11 ES ES352676A patent/ES352676A1/en not_active Expired
- 1968-04-11 CH CH544568A patent/CH511261A/en not_active IP Right Cessation
- 1968-04-11 SE SE497668A patent/SE333639B/xx unknown

Also Published As

Publication number	Publication date
SE333639B (en)	1971-03-22
FR1563332A (en)	1969-04-11
NL6805166A (en)	1968-10-15
NL137350C (en)
DE1795608A1 (en)	1972-03-09
BE713537A (en)	1968-10-11
ES352676A1 (en)	1969-07-16
CH511261A (en)	1971-08-15
DE1770193A1 (en)	1969-10-16
GB1133294A (en)	1968-11-13
DE1770193B2 (en)	1972-08-31

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Legal Events

Date	Code	Title	Description
1978-07-15	ELJ	Ceased due to non-payment of the annual fee