RU93005229A - CRYSTALLINE POLYMERS AND COPOLYMERS OF PROPYLENE AND METHOD FOR PRODUCING THEM - Google Patents

CRYSTALLINE POLYMERS AND COPOLYMERS OF PROPYLENE AND METHOD FOR PRODUCING THEM

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Publication number
RU93005229A
RU93005229A RU93005229/04A RU93005229A RU93005229A RU 93005229 A RU93005229 A RU 93005229A RU 93005229/04 A RU93005229/04 A RU 93005229/04A RU 93005229 A RU93005229 A RU 93005229A RU 93005229 A RU93005229 A RU 93005229A
Authority
RU
Russia
Prior art keywords
crystalline polymers
copolymers
propylene
producing
polymers
Prior art date
Application number
RU93005229/04A
Other languages
Russian (ru)
Other versions
RU2081132C1 (en
Inventor
Чеккин Ждилиано
Пелликони Антео
Чиарокки Антонио
Феррари Паоло
Original Assignee
Хаймонт Инкорпорейтед
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.)
Filing date
Publication date
Priority claimed from ITMI921337A external-priority patent/IT1260497B/en
Application filed by Хаймонт Инкорпорейтед filed Critical Хаймонт Инкорпорейтед
Publication of RU93005229A publication Critical patent/RU93005229A/en
Application granted granted Critical
Publication of RU2081132C1 publication Critical patent/RU2081132C1/en

Links

Claims (1)

Предлагаемые кристаллические полимеры и сополимеры пропилена, получают путем последовательной полимеризации по крайней мере в две стадии в присутствии определенных катализаторов Циглера-Натта, нанесенных на галоиды магния. Указанные полимеры имеют высокую прочность расплава, высокие механические свойства и являются практически адекватными для производства изделий с использованием различных конверсионных технологий, таких, как, например экструзия в тонкие листы, повергаемые термоформованию, а также для формования литьем под давлением и выдуванием.The proposed crystalline polymers and propylene copolymers are obtained by sequential polymerization in at least two stages in the presence of certain Ziegler-Natta catalysts supported on magnesium halides. These polymers have high melt strength, high mechanical properties and are practically adequate for the manufacture of products using various conversion technologies, such as, for example, extrusion into thin sheets subjected to thermoforming, as well as for injection molding and blow molding.
RU9393005229A 1992-05-29 1993-05-25 Composition based on crystalline polypropylene and method of preparation thereof RU2081132C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI92A001337 1992-05-29
ITMI921337A IT1260497B (en) 1992-05-29 1992-05-29 PROPYLENE CRYSTALLINE POLYMERS HAVING IMPROVED STATE PROCESSABILITY AND PROCESS FOR THEIR PREPARATION
ITM192A001337 1992-05-29

Publications (2)

Publication Number Publication Date
RU93005229A true RU93005229A (en) 1996-09-20
RU2081132C1 RU2081132C1 (en) 1997-06-10

Family

ID=11363423

Family Applications (1)

Application Number Title Priority Date Filing Date
RU9393005229A RU2081132C1 (en) 1992-05-29 1993-05-25 Composition based on crystalline polypropylene and method of preparation thereof

Country Status (15)

Country Link
US (1) US7332556B2 (en)
EP (1) EP0573862B1 (en)
JP (1) JPH0693034A (en)
KR (1) KR100272480B1 (en)
CN (1) CN1037182C (en)
AT (1) ATE164380T1 (en)
AU (1) AU658478B2 (en)
CA (1) CA2092639C (en)
DE (1) DE69317599T2 (en)
ES (1) ES2114967T3 (en)
FI (1) FI106384B (en)
IT (1) IT1260497B (en)
MX (1) MX9301698A (en)
NO (1) NO300642B1 (en)
RU (1) RU2081132C1 (en)

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