IT1025699B - PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATURE - Google Patents
PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATUREInfo
- Publication number
- IT1025699B IT1025699B IT29436/74A IT2943674A IT1025699B IT 1025699 B IT1025699 B IT 1025699B IT 29436/74 A IT29436/74 A IT 29436/74A IT 2943674 A IT2943674 A IT 2943674A IT 1025699 B IT1025699 B IT 1025699B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- preparation
- low temperature
- impact resistance
- polypropylene compositions
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
- C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
- C08F297/083—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins the monomers being ethylene or propylene
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Graft Or Block Polymers (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT29436/74A IT1025699B (en) | 1974-11-14 | 1974-11-14 | PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATURE |
NL7513084A NL7513084A (en) | 1974-11-14 | 1975-11-07 | PROCESS FOR PREPARING POLYPROPEENE MATERIALS WITH THE PROPERTY OF HIGH IMPACT STRENGTH AT LOW TEMPERATURES. |
SE7512537A SE7512537L (en) | 1974-11-14 | 1975-11-07 | PROCEDURE FOR PREPARING POLYMER COMPOSITIONS WITH HIGH SLOW STRENGTH AT LAGA TEMPERATURES |
NO753725A NO753725L (en) | 1974-11-14 | 1975-11-07 | |
GB46367/75A GB1528136A (en) | 1974-11-14 | 1975-11-10 | Olefin polymeric compositions |
FR7534322A FR2291220A1 (en) | 1974-11-14 | 1975-11-10 | PROCESS FOR PREPARING COMPOSITIONS BASED ON POLYPROPYLENE HAVING HIGH CHARACTERISTICS OF IMPACT RESISTANCE AT LOW TEMPERATURE |
CA239,318A CA1050192A (en) | 1974-11-14 | 1975-11-10 | Process for preparing polypropylene compositions having high impact strength at low temperatures |
DE19752550549 DE2550549A1 (en) | 1974-11-14 | 1975-11-11 | POLYMERS AND METHODS FOR THEIR PRODUCTION |
JP50134758A JPS5171390A (en) | 1974-11-14 | 1975-11-11 | Teiondonioite kotaishogekiseiojusuru horipuropirensoseibutsu no seizoho |
AT857375A AT346578B (en) | 1974-11-14 | 1975-11-11 | PROCESS FOR THE MANUFACTURING OF POLYMER COMPOSITIONS |
BE161828A BE835527A (en) | 1974-11-14 | 1975-11-13 | PROCESS FOR PREPARING COMPOSITIONS BASED ON POLYPROPYLENE HAVING HIGH CHARACTERISTICS OF IMPACT RESISTANCE AT LOW TEMPERATURE |
ES442577A ES442577A1 (en) | 1974-11-14 | 1975-11-13 | Olefin polymeric compositions |
US05/755,503 US4113802A (en) | 1974-11-14 | 1976-12-29 | Process for preparing polypropylene compositions having high impact strength at low temperatures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT29436/74A IT1025699B (en) | 1974-11-14 | 1974-11-14 | PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATURE |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1025699B true IT1025699B (en) | 1978-08-30 |
Family
ID=11226992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29436/74A IT1025699B (en) | 1974-11-14 | 1974-11-14 | PROCEDURE FOR PREPARATION OF POLYPROPYLENE COMPOSITIONS OF IMPACT RESISTANCE AT LOW TEMPERATURE |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5171390A (en) |
AT (1) | AT346578B (en) |
BE (1) | BE835527A (en) |
CA (1) | CA1050192A (en) |
DE (1) | DE2550549A1 (en) |
ES (1) | ES442577A1 (en) |
FR (1) | FR2291220A1 (en) |
GB (1) | GB1528136A (en) |
IT (1) | IT1025699B (en) |
NL (1) | NL7513084A (en) |
NO (1) | NO753725L (en) |
SE (1) | SE7512537L (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5247091A (en) * | 1975-10-13 | 1977-04-14 | Sumitomo Chem Co Ltd | Process for preparing block copolymers |
JPS54139693A (en) * | 1978-04-21 | 1979-10-30 | Sumitomo Chem Co Ltd | Preparation of propylene-ethylene block copolymer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5810415B2 (en) * | 1974-02-27 | 1983-02-25 | 三菱油化株式会社 | Fragile polypropylene |
-
1974
- 1974-11-14 IT IT29436/74A patent/IT1025699B/en active
-
1975
- 1975-11-07 NO NO753725A patent/NO753725L/no unknown
- 1975-11-07 SE SE7512537A patent/SE7512537L/en not_active Application Discontinuation
- 1975-11-07 NL NL7513084A patent/NL7513084A/en not_active Application Discontinuation
- 1975-11-10 CA CA239,318A patent/CA1050192A/en not_active Expired
- 1975-11-10 FR FR7534322A patent/FR2291220A1/en active Granted
- 1975-11-10 GB GB46367/75A patent/GB1528136A/en not_active Expired
- 1975-11-11 DE DE19752550549 patent/DE2550549A1/en not_active Withdrawn
- 1975-11-11 JP JP50134758A patent/JPS5171390A/en active Pending
- 1975-11-11 AT AT857375A patent/AT346578B/en active
- 1975-11-13 BE BE161828A patent/BE835527A/en unknown
- 1975-11-13 ES ES442577A patent/ES442577A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT346578B (en) | 1978-11-10 |
JPS5171390A (en) | 1976-06-21 |
DE2550549A1 (en) | 1976-05-20 |
NL7513084A (en) | 1976-05-18 |
ES442577A1 (en) | 1977-05-01 |
GB1528136A (en) | 1978-10-11 |
FR2291220B1 (en) | 1977-12-16 |
ATA857375A (en) | 1978-03-15 |
CA1050192A (en) | 1979-03-06 |
FR2291220A1 (en) | 1976-06-11 |
NO753725L (en) | 1976-05-18 |
SE7512537L (en) | 1976-05-17 |
BE835527A (en) | 1976-05-13 |
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