Patent ID: 11898033
Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 6:
7. A method for producing the oxymethylene copolymer resin composition according to claim 6, comprising:
performing a copolymerization reaction, using (i) trioxane as a main monomer, (i″) cyclic ether and/or cyclic formal having at least one carbon-carbon bond, as a comonomer, and (ii′) the boron compound and (ii″) the boron trifluoride compound, as reaction initiators, to obtain a reaction product comprising (i) an oxymethylene copolymer, and
adding (iii) the layered double hydroxide to the obtained reaction product,
wherein the additive amount of (iii) the layered double hydroxide is 0.003 to 1 parts by mass, based on 100 parts by mass of (i) the oxymethylene copolymer.