Title:
METHOD FOR PRODUCING POLYACETAL RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2016/125358
Kind Code:
A1
Abstract:
Provided is a polyacetal resin composition which is suppressed low in formaldehyde generation, while having high stiffness and high toughness. A production method according to the present invention comprises a step for blending from 0.1 part by weight to 2 parts by weight (inclusive) of (B) a polyacetal copolymer having a branched or crosslinked structure, which is a copolymer of (b1) a trioxane, (b2) a compound having from 3 to 4 (inclusive) cyclic ether units in each molecule and (b3) a compound having one cyclic ether unit in each molecule, per 100 parts by weight of (A) a linear polyacetal copolymer which contains an oxymethylene unit as a main constituent, while containing, as a comonomer unit, an oxyalkylene unit at a ratio of from 0.4% by mole to 0.9% by mole (inclusive) relative to the constituents of the linear polyacetal copolymer, said linear polyacetal copolymer being obtained by copolymerization wherein a heteropolyacid or the like is used as a polymerization catalyst.
Inventors:
HORIGUCHI TADAHIRO (JP)
SHIMODA AKIHIDE (JP)
SHIMODA AKIHIDE (JP)
Application Number:
PCT/JP2015/081436
Publication Date:
August 11, 2016
Filing Date:
November 09, 2015
Export Citation:
Assignee:
POLYPLASTICS CO (JP)
International Classes:
C08L59/04; C08G2/20
Foreign References:
| JP2003105048A | 2003-04-09 | |||
| JP2003342442A | 2003-12-03 | |||
| JP2002003694A | 2002-01-09 | |||
| JP2013032453A | 2013-02-14 | |||
| JP2011068855A | 2011-04-07 |
Other References:
See also references of EP 3255102A4
Attorney, Agent or Firm:
SHOBAYASHI, Masayuki et al. (JP)
Right wood Masayuki (JP)
Right wood Masayuki (JP)
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