Molded article

Patent metadata

Field	Value
Publication number	US-9534112-B2
Application number	US-201213980950-A
Country	US
Kind code	B2
Filing date	Jan 18, 2012
Priority date	Jan 21, 2011
Publication date	Jan 3, 2017
Grant date	Jan 3, 2017

Abstract

A molded article formed of a composition including 100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins, and 0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and a vinyl group-containing compound having a defined number average molecular weight, a derivative thereof, or a mixture of these,

—Si(R 1 )H—Y 1 —  (1)

wherein R 1 and Y 1 are defined and with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and having two or more SH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound.

First claim

The invention claimed is:

1. A molded article formed of a composition comprising:
100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins; and
0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (2e) and a vinyl group-containing compound having a number average molecular weight of equal to or more than 700 and equal to or less than 10,000 that is measured by GPC, a derivative thereof, or a mixture of these,
wherein the vinyl group-containing compound has a structure represented by Formula (4′) and a molecular weight distribution that falls within a range of 1.1 to 3.0,
wherein a reaction rate of the double bond of the vinyl group-containing compound is 90% or higher,
wherein the molded article is formed of the composition by melt molding,
HSi(CH 3 ) 2 O—(—Si(CH 3 ) 2 —O—) i —Si(CH 3 ) 2 H   (2e)

wherein, i represents an integer of equal to or more than 1 and equal to or less than 50,
A—CH═CH 2   (4′)

wherein A represents an ethylene homopolymer chain, and —CH═CH 2 presents only on the terminal of a main chain of the polymer,
with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (2e) and having two or more SiH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound.

2. The molded article according to claim 1 ,
wherein a melt mass-flow rate (MFR) of the silylated polyolefin that is measured at 190° C. under a load of 2.16 kg based on JIS K7210 is 0.01 g/10 min or higher.

3. The molded article according to claim 1 ,
wherein the thermoplastic resin is at least one kind selected from the group consisting of a polyolefin resin, a polycarbonate resin, a thermoplastic polyester resin, a polyamide resin, a polyimide resin, a polyurethane resin, and a polylactic acid resin.

4. The molded article according to claim 1 ,
wherein the thermosetting resin is at least one kind selected from the group consisting of an epoxy resin and a thermally cross-linkable polyolefin resin.

5. A molded article formed of a composition comprising:
100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins; and
0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and a vinyl group-containing compound having a number average molecular weight of equal to or more than 100 and equal to or less than 500,000 that is measured by GPC, a derivative thereof, or a mixture of these,
—Si(R 1 )H—Y 1 —  (1)

wherein R 1 represents a hydrogen atom, a halogen atom, or a hydrocarbon group, and Y 1 represents O, S, or NR 30 and R 30 represents a hydrogen atom or a hydrocarbon group,
with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and having two or more SiH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound,
wherein the vinyl group-containing compound is a (Z) olefin-diene copolymer satisfying the following (Z1) to (Z6):
(Z1) a copolymer which is obtained by copolymerizing ethylene with at least one kind of polyene, or a copolymer which is obtained by copolymerizing ethylene with at least one kind of olefin selected from a-olefins having 3 to 12 carbon atoms and at least one kind of polyene,
(Z2) unsaturated groups per molecule is from 0.5 to 3.0,
(Z3) a density is from 870 mg/m 3 to 980 kg/m 3 ,
(Z4) a melting point is from 70° C. to 130° C.,
(Z5) a number average molecular weight (Mn) is from 400 to 5,000,
(Z6) a ratio (Mw/Mn) of a weight average molecular weight (Mw) to a number average molecular weight (Mn) is equal to or less than 4.0.

6. The molded article according to claim 5 ,
wherein the polyene of (Z1) is 5-vinylcyclo[2.2.1]hept-2-ene.

7. A molded article formed of a composition comprising:
100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins; and
0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (2e) and a vinyl group-containing compound having a number average molecular weight of equal to or more than 700 and equal to or less than 10,000 that is measured by GPC, a derivative thereof, or a mixture of these,
wherein the vinyl group-containing compound has a structure represented by Formula (4′) and a molecular weight distribution that falls within a range of 1.1 to 3.0,
wherein a reaction rate of the double bond of the vinyl group-containing compound is 90% or higher,
wherein the molded article is in the form of a film or a sheet,
HSi(CH 3 ) 2 O—(—Si(CH 3 ) 2 —O—) i —Si(CH 3 ) 2 H   (2e)

wherein, i represents an integer of equal to or more than 1 and equal to or less than 50,
A—CH═CH 2   (4′)

wherein A represents an ethylene homopolymer chain, and —CH═CH 2 presents only on the terminal of a main chain of the polymer,
with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (2e) and having two or more SiH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound.

8. The molded article according to claim 7 ,
wherein a melt mass-flow rate (MFR) of the silylated polyolefin that is measured at 190° C. under a load of 2.16 kg based on JIS K7210 is 0.01 g/10 min or higher.

9. The molded article according to claim 7 ,
wherein the thermoplastic resin is at least one kind selected from the group consisting of a polyolefin resin, a polycarbonate resin, a thermoplastic polyester resin, a polyamide resin, a polyimide resin, a polyurethane resin, and a polylactic acid resin.

10. The molded article according to claim 7 ,
wherein the thermosetting resin is at least one kind selected from the group consisting of an epoxy resin and a thermally cross-linkable polyolefin resin.

11. A molded article formed of a composition comprising:
100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins; and
0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (2e) and a vinyl group-containing compound having a number average molecular weight of equal to or more than 700 and equal to or less than 10,000 that is measured by GPC, a derivative thereof, or a mixture of these,
wherein the vinyl group-containing compound has a structure represented by Formula (4′) and a molecular weight distribution that falls within a range of 1.1 to 3.0,
wherein a reaction rate of the double bond of the vinyl group-containing compound is 90% or higher,
wherein the molded article is selected from an automobile interior part, a glass run channel, a plastic syringe, a packing material, a plastic container, a hollow fiber membrane, a gas-permeable film, and a gas-selective f

Assignees

• Matoishi Kaori
• Yano Takuma
• Marubayashi Hiromasa
• Tomoshige Naoki
• Nagai Naoshi
• Harada Tamotsu
• Kawabe Kuniaki
• Mitsui Chemicals Inc

Inventors

• Matoishi Kaori
• Yano Takuma
• Marubayashi Hiromasa
• Tomoshige Naoki
• Nagai Naoshi
• Harada Tamotsu
• Kawabe Kuniaki

Classifications

• C08L23/10 Primary

  Homopolymers or copolymers of propene · CPC title

• C08F110/02

  Ethene · CPC title

• C08L101/10

  containing hydrolysable silane groups · CPC title

• C08L83/04

  Polysiloxanes · CPC title

• C08F10/00

  Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond · CPC title