Polybutadiene composition
AssigneeSumitomo Chemical Company, Limited
InventorsKunihito Miyake, Mutsuko Higo, Kanako Fukuda, Hironobu Iyama
Life of this patent
Estimating the term…
Abstract
There are disclosed a polybutadiene composition comprising: a polybutadiene type polymer, and at least one compound selected from a compound of formula (I-1): 1 or a compound of formula (1-2): 2 wherein R11 to R28 are the same or different and independently represent a hydrogen atom, an alkyl group, or the like; or a compound of formula (II): 3 wherein R1 to R10 independently represent a hydrogen atom, an alkyl group, or the like; or a styrene-butadiene copolymer, and a benzoin compound; and an article molded therefrom, and processes for producing the composition and the molded article.
Claims17
A polybutadiene composition comprising:
- (a)
- (a-1) a polybutadiene type polymer, and
- (a-2) at least one compound selected from
- a compound of formula (I-1):
- 8
- or a compound of formula (I-2):
- 9
- wherein R11, R12, R13, R14, R15, R16, R17, R18, R21, R22, R23, R24, R25, R26, R27, and R28 are the same or different and independently represent a hydrogen atom, an alkyl group, an alkoxy group, a benzyloxy group, a hydroxy group, a carboxyl group, an acyl group, an acyloxy group, an alkoxycarbonyl group, or a benzyloxycarbonyl group;
- (b)
- (b-1) a polybutadiene type polymer, and
- (b-2) a compound of formula (II):
- 10
- wherein
- R1, R2 and R4 independently represent a hydrogen atom, or an alkyl group,
- R3 represents a hydrogen atom, an alkyl group, an alkoxy group, a hydroxy group, or an acetyl group,
- R5, R6, R7 and R8 independently represent a hydrogen atom, an alkyl group, or a phenyl group which may be substituted with an alkyl group, and
- R9 and R10 independently represent a hydrogen atom, an alkyl group, or an alkenyl group;
- or
- (c)
- (c1 ) a styrene-butadiene copolymer, and
- (c-2) a benzoin compound.
A process for producing a polybutadiene composition, which comprises:
- i) blending
- (a)
- (a-1) a polybutadiene type polymer, and
- (a-2) at least one compound selected from
- a compound of formula (I-1):
- 15
- or a compound of formula (I-2):
- 16
- wherein R11, R12, R13, R14, R15, R16, R17, R18, R21, R22, R23, R24, R25, R26, R27, and R28 are the same or different and independently represent a hydrogen atom, an alkyl group, an alkoxy group, a benzyloxy group, a hydroxy group, a carboxyl group, an acyl group, an acyloxy group, an alkoxycarbonyl group, or a benzyloxycarbonyl group;
- or
- (b)
- (b-1) a polybutadiene type polymer, and
- (b-2) a compound of formula (II):
- 17
- wherein
- R1, R2 and R4 independently represent a hydrogen atom, or an alkyl group,
- R3 represents a hydrogen atom, an alkyl group, an alkoxy group, a hydroxy group, or an acetyl group,
- R5, R6, R7 and R8 independently represent a hydrogen atom, an alkyl group, or a phenyl group which may be substituted with an alkyl group, and
- R9 and R10 independently represent a hydrogen atom, an alkyl group, or an alkenyl group;
- or
- (c)
- (c-1) a styrene-butadiene copolymer, and
- (c-2) a benzoin compound;
- ii) melting the blended composition;
- and
- iii) extruding the melted composition.
Dependencies are inferred from the claim text.