ANTI-SCORCH COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME

    公开(公告)号:US20120178865A1

    公开(公告)日:2012-07-12

    申请号:US13497537

    申请日:2009-09-29

    IPC分类号: C08K3/06 C08F236/20 C08L81/04

    摘要: The invention provides a composition comprising at least the following: A) interpolymer comprising, in polymerized form, ethylene, an α-olefm and a nonconjugated polyene; B) sulfur; C) at least one phase transfer catalyst (PTC) selected from the group consisting of the following: Formula (1), wherein each R group is, independently, an alky group having from 4 to 32 carbon atoms, and X is a halogen ion; Formula (2), Wherein the R group is an alky group having from 4 to 32, and X is a halogen ion; Formula (3), wherein R1 is the alky group having from 1 to 4 carbon atoms, R2 is an alkyl group having from 1 to 32 carbon atoms, and X is a halogen ion; and combinations of (1), (2) and (3); and D) at least one primary accelerator selected from the group consisting of the following: Formula (a), wherein R is H, or a heterocyclic substituent; Formula (b), wherein M is Zn2+, K+, Na+, Cu2+ or an alkyl ammonium; Formula (c), wherein R′ and R″ are each, independently, H, an alkyl, a cyclic alkyl, an aromatic, or a heterocyclic substituent, or wherein R′ and R″ together form a cyclic structure; Formula (d), wherein R, R′, R″ and R′″ are each, independently, H, an alkyl, a cyclic alkyl, an aromatic, or a heterocyclic substituent; or wherein R and R′ are each, independently, H, an alkyl, a cyclic alkyl, an aromatic, or a heterocyclic substituent, and R″ and R′″ together form a cyclic structure; or wherein R″ and R′″ are each, independently, H, an alkyl, a cyclic alkyl, an aromatic, or a heterocyclic substituent, and R and R′ together form a cyclic structure; or wherein R″ and R′″ together form a cyclic structure, and R and R′ together form a cyclic structure; and combinations thereof.

    Thermoplastic vulcanizate composition, method of producing the same, and articles made therefrom
    7.
    发明授权
    Thermoplastic vulcanizate composition, method of producing the same, and articles made therefrom 有权
    热塑性硫化橡胶组合物,其制造方法和由其制成的制品

    公开(公告)号:US09309396B2

    公开(公告)日:2016-04-12

    申请号:US13991531

    申请日:2010-12-30

    IPC分类号: C08L23/16 C08L23/26 C08K5/00

    摘要: A thermoplastic vulcanizate composition comprising from 5 wt % to 95 wt %, based on the total weight of the thermoplastic vulcanizate composition, of a first component comprising a first propylene-based polymer selected from the group consisting of (i) propylene/α-olefin copolymers comprising from 1 to 20 wt % α-olefin and characterized by a g′ ratio of less than 1, measured at interpolymer number average molecular weight (Mn), an MFR (2.16 kg @ 230° C.) greater than or equal to 0.01, a density greater than or equal to 0.850 g/cc, and a molecular weight distribution, Mw/Mn, less than or equal to 3.5, and (ii) combinations thereof; and from 5 wt % to 95 wt %, based on the total weight of the thermoplastic vulcanizate composition, of a second component selected from the group consisting of curable or vulcanizable rubbers, having a density from 0.85 to 0.88 g/cc, I2 from 0.001 to 5 g/10 min, and a Mooney viscosity from 5 to 400, and combinations thereof; wherein at least one of the rubbers is vulcanizable; wherein the thermoplastic vulcanizate composition has a tensile strength at break of greater than or equal to 8 MPa and tear strength at 23° C. of at least 190 lb-f/in. is provided. Methods of making the composition and articles made from the composition are also provided.

    摘要翻译: 一种热塑性硫化胶组合物,其包含基于热塑性硫化橡胶组合物总重量的5重量%至95重量%的第一组分,其包含第一丙烯类聚合物,其选自(i)丙烯/α-烯烃 共聚物,其包含1至20重量%的α-烯烃,并且以共聚体数均分子量(Mn),MFR(2.16kg @ 230℃)测量的Ag'比小于1,大于或等于0.01 ,密度大于或等于0.850g / cc,分子量分布Mw / Mn小于或等于3.5,和(ii)它们的组合; 和5重量%至95重量%,基于热塑性硫化橡胶组合物的总重量,选自可固化或可硫化橡胶的第二组分,其密度为0.85至0.88g / cc,I2为0.001 至5g / 10min,门尼粘度为5至400,及其组合; 其中所述橡胶中的至少一种是可硫化的; 其中所述热塑性硫化橡胶组合物的断裂拉伸强度大于或等于8MPa,并且在23℃下的撕裂强度为至少190lb-f / in。 被提供。 还提供了由组合物制备组合物和制品的方法。

    Thermoplastic Vulcanizate Composition, Method of Producing the Same, and Articles Made Therefrom
    8.
    发明申请
    Thermoplastic Vulcanizate Composition, Method of Producing the Same, and Articles Made Therefrom 有权
    热塑性硫化橡胶组合物,其制造方法及其制品

    公开(公告)号:US20130324658A1

    公开(公告)日:2013-12-05

    申请号:US13991531

    申请日:2010-12-30

    IPC分类号: C08L23/26

    摘要: A thermoplastic vulcanizate composition comprising from 5 wt % to 95 wt %, based on the total weight of the thermoplastic vulcanizate composition, of a first component comprising a first propylene-based polymer selected from the group consisting of (i) propylene/α-olefin copolymers comprising from 1 to 20 wt % α-olefin and characterized by a g′ ratio of less than 1, measured at interpolymer number average molecular weight (Mn), an MFR (2.16 kg @ 230° C.) greater than or equal to 0.01, a density greater than or equal to 0.850 g/cc, and a molecular weight distribution, Mw/Mn, less than or equal to 3.5, and (ii) combinations thereof; and from 5 wt % to 95 wt %, based on the total weight of the thermoplastic vulcanizate composition, of a second component selected from the group consisting of curable or vulcanizable rubbers, having a density from 0.85 to 0.88 g/cc, I2 from 0.001 to 5 g/10 min, and a Mooney viscosity from 5 to 400, and combinations thereof; wherein at least one of the rubbers is vulcanizable; wherein the thermoplastic vulcanizate composition has a tensile strength at break of greater than or equal to 8 MPa and tear strength at 23° C. of at least 190 lb-f/in. is provided. Methods of making the composition and articles made from the composition are also provided.

    摘要翻译: 一种热塑性硫化橡胶组合物,其包含基于热塑性硫化橡胶组合物总重量的5重量%至95重量%的第一组分,其包含第一丙烯类聚合物,其选自(i)丙烯/α-烯烃 共聚物,其包含1至20重量%的α-烯烃,并且以共聚体数均分子量(Mn),MFR(2.16kg @ 230℃)测量的Ag'比小于1,大于或等于0.01 ,密度大于或等于0.850g / cc,分子量分布Mw / Mn小于或等于3.5,和(ii)它们的组合; 和5重量%至95重量%,基于热塑性硫化橡胶组合物的总重量,选自可固化或可硫化橡胶的第二组分,其密度为0.85至0.88g / cc,I2为0.001 至5g / 10min,门尼粘度为5至400,及其组合; 其中所述橡胶中的至少一种是可硫化的; 其中所述热塑性硫化橡胶组合物的断裂拉伸强度大于或等于8MPa,并且在23℃下的撕裂强度为至少190lb-f / in。 被提供。 还提供了由组合物制备组合物和制品的方法。