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US 6,184,275 B2Granted
Crystalline polymer composition
AssigneeAsahi Denka Kogyo Kabushiki Kaisha
InventorsMasayuki Takahashi, Etsuo Tobita
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Abstract
A crystalline polymer composition comprising 100 parts by weight of a crystalline polymer and 0.005 to 5 parts by weight of a compound represented by formula (I): wherein R1 and R2 each independently represent an alkyl group having 1 to 9 carbon atoms; R3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and M represents an alkali metal, the compound having a chlorine content of 500 ppm or less.
Claims12
A crystalline polymer composition comprising 100 parts by weight of a crystalline polymer and 0.01 to 3 parts by weight of a compound represented by formula (I):
- wherein R1 and R2 each independently represent an alkyl group having 1 to 9 carbon atoms;
- R3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms;
- and M represents an alkali metal,
- the compound having a chlorine content of 200 ppm or less.
1 more element
Dependencies are inferred from the claim text.