Title:
ペレット化された臭素化アニオン型スチレン系ポリマー
Document Type and Number:
Japanese Patent JP5422636
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing a brominated anionic styrenic polymer pellet without generating undesirable fine powder in production and packaging.SOLUTION: The brominated anionic styrenic polymer pellet having a bromine content of at least about 50 wt.%, retaining at least about 70 wt.% of the pellet on a standard US No.40 sieve, retaining about 30 wt.% of the pellet on a standard US No.5 sieve and free from foreign materials can be produced by using a special mechanical processing. The polymer pellet has a melt flow index (ASTM D1238-99) of at least 4 g/10 min at 220°C under a 2.16 kg load.
Inventors:
Douglas Dobriyou Luther
Application Number:
JP2011258888A
Publication Date:
February 19, 2014
Filing Date:
November 28, 2011
Export Citation:
Assignee:
Albemarle Corporation
International Classes:
C08J3/12; B29B9/06; B29B9/12; B29B13/10; B29K25/00
Domestic Patent References:
| JP2002513060A | ||||
| JP2002524586A | ||||
| JP50109237A | ||||
| JP59138242A | ||||
| JP62149738A |
Foreign References:
| WO1991012295A1 |
Attorney, Agent or Firm:
Patent business corporation Odashima patent office