Graft copolymer, thermoplastic resin composition comprising the graft copolymer, and those production method
AssigneeIdemitsu Kosan Co., Ltd.
InventorsShuji Machida, Ryo Aburatani, Takenori Fujimura, Harumi Nakashima
Life of this patent
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Abstract
Provided is a production process for a graft copolymer or a thermoplastic resin composition containing the above graft copolymer, which comprises graft-polymerizing 100 parts by mass of a combination of 20 to 100% by mass of a reactive polyolefin and 0 to 80% by mass of a polyolefin other than the reactive polyolefin with 0.2 to 300 parts by mass of at least one specific monomer under the presence of a radical initiator and which is useful as a sealant, a modifier for polyolefins, a surface treating agent, a primer treating agent, a coating agent component and the like.
Claims32
A production process for a graft copolymer or a thermoplastic resin composition containing said graft copolymer comprising graft-polymerizing 100 parts by mass of a combination of 20 to 100% by mass of a reactive polyolefin satisfying the following conditions (1) to (5) and 0 to 80% by mass of a polyolefin other than the reactive polyolefin with 0.2 to 300 parts by mass of at least one monomer selected from the following compounds [I] to [IV] at 40 to 140° C. under the presence of 0.001 to 10 parts by mass a radical initiator:
- (1) said reactive polyolefin is a homopolymer of one monomer selected from α-olefins having 3 to 28 carbon atoms or a copolymer of two or more kinds thereof or a copolymer of 90% by mass or more of at least one monomer selected from α-olefins having 3 to 28 carbon atoms with 10% by mass or less of ethylene,
- (2) a mesopentad ratio [mmmm] is 30 to 80 mole %,
- (3) it has 0.5 to 1.0 terminal unsaturated group per molecule,
- (4) a molecular weight distribution (Mw/Mn) is 4 or less and
- (5) a limiting viscosity [η] which is measured in decalin at 135° C. is 0.01 to 2.5 dl/g;
- [I] acrylic acid and derivatives thereof, [II] methacrylic acid and derivatives thereof, [III] vinyl esters and derivatives thereof and [IV] styrene and derivatives thereof.
A graft copolymer which has a principal chain derived from at least one monomer selected from [I] acrylic acid and derivatives thereof, [II] methacrylic acid and derivatives thereof, [III] vinyl esters and derivatives thereof and [IV] styrene and derivatives thereof and which has a side chain derived from a reactive polyolefin satisfying the following conditions (2), (3) and (8), the reactive polyolefin being a homopolymer of one monomer selected from α-olefins having 3 to 28 carbon atoms, a copolymer of two or more kinds thereof, or a copolymer of 90% by mass or more of at least one monomer selected from α-olefins having 3 to 28 carbon atoms and 10% by mass or less of ethylene, the graft copolymer satisfying the following conditions (a) to (c):
- (2) a mesopentad ratio [mmmm] is 30 to 80 mole %,
- (3) it has 0.5 to 1.0 terminal unsaturated group per molecule,
- (8) it does not contain plural terminal unsaturated groups,
- (a) a graft rate is 1 to 150% by mass,
- (b) a limiting viscosity [η] which is measured in decalin at 135° C. is 0.01 to 2.5 dl/g and
- (c) a molecular weight distribution (Mw/Mn) is 1.8 to 6.
A graft copolymer which has a principal chain derived from at least one monomer selected from [I] acrylic acid and derivatives thereof, [II] methacrylic acid and derivatives thereof, [III] vinyl esters and derivatives thereof and [IV] styrene and derivatives thereof and which has a side chain derived from a reactive polyolefin satisfying the following conditions (2), (3) and (8), the reactive polyolefin being a homopolymer of one monomer selected from α-olefins having 3 to 28 carbon atoms, a copolymer of two or more kinds thereof, or a copolymer of 90% by mass or more of at least one monomer selected from α-olefins having 3 to 28 carbon atoms and 10% by mass or less of ethylene, the graft copolymer satisfying the following conditions (a) to (c):
- (2) a mesopentad ratio [mmmm] is 30 to 80 mole %,
- (3) it has 0.5 to 1.0 terminal unsaturated group per molecule,
- (8) it does not contain plural terminal unsaturated groups,
- (a) a graft rate is 1 to 150% by mass,
- (b) a limiting viscosity [η] which is measured in decalin at 135° C. is 0.01 to 2.5 dl/g and
- (c) a molecular weight distribution (Mw/Mn) is 1.5 to 4.
A production process for a graft copolymer or a thermoplastic resin composition containing said graft copolymer comprising graft-polymerizing 100 parts by mass of a combination of 20 to 100% by mass of a reactive polyolefin having an unsaturated group at a chain terminal and/or a principal chain pendant and 0 to 80% by mass of a polyolefin other than the reactive polyolefin with total 0.2 to 300 parts by mass of at least one monomer selected from the following group A and at least one monomer selected from the following group B under the presence of 0.001 to 10 parts by mass of a radical initiator:
- group A:
- [V] maleic anhydride and substitution products thereof, [VI] maleic acid and esters thereof and [VII] maleimide and substitution products thereof and
- group B:
- [I] acrylic acid and derivatives thereof, [II] methacrylic acid and derivatives thereof, [III] vinyl esters and derivatives thereof, [IV] styrene and derivatives thereof and [VIII] α-olefins.
A graft copolymer having a structure in which an unsaturated group of a chain terminal and/or a principal chain pendant in a reactive polyolefin comprising at least one monomer selected from α-olefins having 2 to 28 carbon atoms is introduced into a copolymerized chain derived from at least one monomer selected from the following group A and at least one monomer selected from the following group B and satisfying the following conditions (a) to (c):
- group A:
- [V] maleic anhydride and substitution products thereof, [VI] maleic anhydride and esters thereof and [VII] maleimide and substitution products thereof and
- group B:
- [I] acrylic acid and derivatives thereof, [II] methacrylic acid and derivatives thereof, [III] vinyl esters and derivatives thereof, [IV] styrene and derivatives thereof and [VIII] α-olefins,
- (a) a graft rate is 1 to 150% by mass,
- (b) a limiting viscosity [η] which is measured in decalin at 135° C. is 0.01 to 2.5 dl/g and
- (c) a molecular weight distribution (Mw/Mn) is 1.8 to 6.
A graft copolymer having a structure in which an unsaturated group of a chain terminal and/or a principal chain pendant in a reactive polyolefin comprising at least one monomer selected from α-olefins having 2 to 28 carbon atoms is introduced into a copolymerized chain derived from at least one monomer selected from the following group A and at least one monomer selected from the following group B and satisfying the following conditions (a) to (c):
- group A:
- [V] maleic anhydride and substitution products thereof, [VI] maleic anhydride and esters thereof and [VII] maleimide and substitution products thereof and
- group B:
- [I] acrylic acid and derivatives thereof, [II] methacrylic acid and derivatives thereof, [III] vinyl esters and derivatives thereof, [IV] styrene and derivatives thereof and [VIII] α-olefins,
- (a) a graft rate is 1 to 150% by mass,
- (b) a limiting viscosity [η] which is measured in decalin at 135° C. is 0.01 to 2.5 dl/g and
- (c) a molecular weight distribution (Mw/Mn) is 1.5 to 4.
Dependencies are inferred from the claim text.