Impact modified polyacetal compositions

Details Impact modified polyacetal compositions Impact modified polyacetal compositions

1996-09-09

1999-07-06

Woodward, Ana

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524153, 524284, 524302, 524304, 524305, 524330, 524417, 524504, C08K 5526

Patent

active

059198494

ABSTRACT:
The invention relates to improved polyacetal compositions composed of polyoxymethylene (component A) and a stabilized MBS core shell graft copolymer (component B) formed from a rubber-elastic core based on polybutadiene, and a hard graft shell.
The stabilized MBS core shell graft copolymer (component B) contains a special stabilization formulation of at least one hindered phenol, a phosphite, a sulfide, and a pH buffer system.
The shaped articles produced from these mixtures are particularly distinguished by an excellent low-temperature impact strength and a good heat aging performance.

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