Polyamide resin composition
    1.
    发明授权
    Polyamide resin composition 失效
    聚酰胺树脂组合物

    公开(公告)号:US5648423A

    公开(公告)日:1997-07-15

    申请号:US411597

    申请日:1995-04-05

    摘要: The polyamide resin composition of the present invention comprises 100 parts by weight of a polyamide resin and 5 to 200 parts by weight of a graft-modified ethylene/1-butene random copolymer having a graft quantity of an unsaturated carboxylic acid or its derivative of 0.01 to 10% by weight. The graft-modified ethylene/1-butene random copolymer is a graft-modified product of an ethylene/1-butene random copolymer having a 1-butene content of 15 to 25% by mol, an intrinsic viscosity [.eta.] of 0.5 to 3.5 dl/g, a glass transition temperature (Tg) of not higher than -60.degree. C., a crystallinity of less than 10%, and a parameter (B value) indicating randomness of a copolymerized monomer chain distribution, as measured by a .sup.13 C-NMR method, of 1.0 to 1.4. The polyamide resin composition shows high melt flowability, namely, good moldability, and it can provide a molded article excellent in flexibility, low-temperature impact resistance, resistance to water absorption and resistance to saline solutions.

    摘要翻译: PCT No.PCT / JP94 / 01296 Sec。 371日期1995年04月5日 102(e)1995年4月5日PCT PCT 1994年8月4日PCT公布。 公开号WO95 / 04781 日期1995年2月16日本发明的聚酰胺树脂组合物包含100重量份聚酰胺树脂和5〜200重量份接枝量为不饱和羧酸的接枝改性乙烯/ 1-丁烯无规共聚物 或其衍生物为0.01〜10重量%。 接枝改性的乙烯/ 1-丁烯无规共聚物是1-丁烯含量为15〜25摩尔%,特性粘度η为0.5〜3.5的乙烯/ 1-丁烯无规共聚物的接枝改性物 dl / g,玻璃化转变温度(Tg)不高于-60℃,结晶度小于10%,以及表示共聚单体链分布的随机性的参数(B值),通过13℃ -NMR法,为1.0〜1.4。 聚酰胺树脂组合物显示出高的熔融流动性,即良好的成型性,并且可以提供柔软性,耐低温冲击性,耐吸水性和耐盐溶液性优异的模塑制品。

    Strippable protective film and composition therefor
    2.
    发明授权
    Strippable protective film and composition therefor 失效
    可剥离的保护膜及其组成

    公开(公告)号:US5254612A

    公开(公告)日:1993-10-19

    申请号:US655367

    申请日:1991-03-01

    摘要: Compositions provided in accordance with the present invention contain 85-20% by weight of a propylene/1-butene random copolymer (A) having a melt index (ASTM D 1238-65T, 230.degree. C.) of 0.1-100 g/10 min, propylene content of 60-85 mol %, and a heat of fusion, as measured by thermal analysis with a differential scanning calorimeter, of 20-80 joule/g,15-80% by weight of an ethylene/.alpha.-olefin copolymer (B) having a melt index (ASTM D 1238-65T, 190.degree. C.) of 0.1-100 g/10 min, ethylene content of 75-95 mol %, crystallinity index of 0-30%, and .alpha.-olefin having 3-10 carbon atoms, and 0-10% by weight of a tackifier (C), with the proviso that (A)+(B)+(C) is 100% by weight.The strippable protective film according to the invention is a single-layer or multi-layer film, with the proviso that at least one of the outermost surface layers of the film is composed of the composition.The compositions according to the invention are capable of providing strippable protective films which are excellent in flexibility, scratch resistance and heat resistance and, at the same time, which have appropriate initial adhesive power to articles to which they are applied and strippability therefrom and, moreover, which are less in change on standing even when they are stored for an extended period of time and are free from bleeding on the article surface even when they are stripped therefrom.

    摘要翻译: PCT No.PCT / JP90 / 01008 Sec。 371 1991年3月1日 102(e)1991年3月1日PCT PCT 1990年8月7日PCT公布。 出版物WO91 / 0202800 1991年2月21日。根据本发明提供的组合物含有85-20重量%的具有熔体指数(ASTM D 1238-65T,230℃)的丙烯/ 1-丁烯无规共聚物(A) 0.1-100g / 10min,丙烯含量为60-85mol%,通过用差示扫描量热计热分析测得的熔融热为20-80焦耳/克,15-80重量% 具有0.1-100g / 10min的熔体指数(ASTM D 1238-65T,190℃)的乙烯/α-烯烃共聚物(B),乙烯含量为75-95摩尔%,结晶度指数为0-30 %和具有3-10个碳原子的α-烯烃和0-10重量%的增粘剂(C),条件是(A)+(B)+(C)为100重量%。 根据本发明的可剥离的保护膜是单层或多层膜,条件是膜的最外表面层中的至少一个由组合物组成。 根据本发明的组合物能够提供柔软性,耐擦伤性和耐热性优异的可剥离的保护膜,并且同时对其施加的制品和其剥离性的制品具有适当的初始粘合力,此外 即使长时间储存​​,也不会在物品表面渗出,即使剥离也不会立即变化。

    Novel polyethylene synthetic pulp
    5.
    发明授权
    Novel polyethylene synthetic pulp 失效
    新型聚乙烯合成纸浆

    公开(公告)号:US4783507A

    公开(公告)日:1988-11-08

    申请号:US651508

    申请日:1984-09-12

    摘要: Disclosed is a novel polyethylene synthetic pulp giving synthetic paper which may be heat-treated with a heating apparatus attached to a conventional papermaking machine. The polyethylene synthetic pulp comprises fibers of polyethylene which has an MFR (Melt Flow Ratio) of 0.1 to 3,000 g/10 min., and the portion with a low melting point thereof, which melts at a temperature of 95.degree. C. or lower when measured with a DSC (Differential Scanning Calorimeter), is at least 20% by weight, preferably, 40% to 70%.

    摘要翻译: 公开了一种新型的聚乙烯合成纸浆,其提供合成纸,其可以用连接到常规造纸机上的加热装置进行热处理。 聚乙烯合成纸浆包含MFR(熔体流动比)为0.1〜3,000g / 10分钟的聚乙烯纤维,其熔点低的部分在95℃以下的温度下熔融, 使用DSC(差示扫描量热计)测定为至少20重量%,优选40〜70%。

    Resin compositions and use of the same
    6.
    发明授权
    Resin compositions and use of the same 有权
    树脂组合物及其用途

    公开(公告)号:US06414088B1

    公开(公告)日:2002-07-02

    申请号:US09609328

    申请日:2000-06-30

    IPC分类号: C08L2300

    摘要: The resin composition of the invention is a composition which includes 100 parts by weight of a polyethylene resin (A) and 2 to 5,000 parts by weight of a linear ethylene/a-olefin random copolymer (B) which includes ethylene and an a-olefin of 6 to 20 carbon atoms, wherein the polyethylene resin (A) has (a) MFR (ASTM D 1238, 190° C., load of 2.16 kg) of 0.1 to 200 g/10 min and (b) a density of 0.901 to 0.970 g/cm3; and the copolymer (B) has (a) a density of 0.870 to 0.900 g/cm3, (b) an intrinsic viscosity (&eegr;), as measured in decalin at 135° C., of 0.3 to 3.0 dl/g, (c) a glass transition temperature (Tg) of not higher than −50° C., (d) a crystallinity, as measured by X-ray diffractometry, of less than 40%, (e) a molecular weight distribution (Mw/Mn), as measured by GPC, of not more than 3.0, (f) a B value, as determined by the 13C-NMR spectrum and a specific equation, of 1.0 to 1.4, and (g) a ratio g&eegr;* of more than 0.95 (g&eegr;*=(&eegr;)/(&eegr;)blank/ (&eegr;): intrinsic viscosity of this copolymer determined in the property (b), (&eegr;)blank: intrinsic viscosity of a linear ethylene/propylene copolymer having the same weight-average molecular weight (measured by a light scattering method) as this copolymer and having an ethylene content of 70% by mol). This resin composition can provide molded products of excellent pliability and tensile properties.

    摘要翻译: 本发明的树脂组合物是包含100重量份的聚乙烯树脂(A)和2至5,000重量份的线性乙烯/α-烯烃无规共聚物(B)的组合物,其包括乙烯和α-烯烃 其中聚乙烯树脂(A)具有(a)MFR(ASTM D 1238,190℃,2.16kg载荷)为0.1-200g / 10min,(b)密度为0.901 至0.970g / cm 3; 共聚物(B)的密度为(a)0.870〜0.900g / cm 3,(b)在135℃萘烷中测定的特性粘度(η)为0.3〜3.0dl / g,(c )玻璃化转变温度(Tg)不高于-50℃,(d)通过X射线衍射测定的结晶度小于40%,(e)分子量分布(Mw / Mn) (f)由13 C-NMR光谱和具体方程式确定的B值为1.0〜1.4,(g)比值geta *大于0.95( geta * =(eta)/(eta)空白/(eta):在(b),(eta)特性中测定的该共聚物的特性粘度:具有相同重均分子量的线性乙烯/丙烯共聚物的特性粘度 重量(通过光散射法测定)作为该共聚物,乙烯含量为70摩尔%)。 该树脂组合物可以提供优异的柔韧性和拉伸性能的成型产品。

    Polypropylene composition
    7.
    发明授权
    Polypropylene composition 失效
    聚丙烯组成

    公开(公告)号:US5639829A

    公开(公告)日:1997-06-17

    申请号:US486641

    申请日:1995-06-07

    摘要: Disclosed are a polypropylene composition comprising 95-55 parts by weight of polypropylene (A) and 5-45 parts by weight of an ethylene/1-butene random copolymer (B-1) which contains constituent units derived from 1-butene in an amount of 15 to 25% by mol; and a polypropylene composition comprising 95-55 parts by weight of polypropylene (A) and 5-45 parts by weight of an ethylene/1-octene random copolymer (B-2) which contains constituent units derived from 1-octene in an amount of 8 to 20% by mol. Each of the random copolymers (B-1) and (B-2) has an intrinsic viscosity [.eta.] of 1.5 to 3.5 dl/g as measured in decalin, a glass transition temperature (Tg) of not higher than -50.degree. C., a crystallinity of less than 20% as measured by X-ray diffractometry, a randomness parameter (B value) of 1.0 to 1.4 as measured by .sup.13 C-NMR spectroscopy. With respect to a melting point as measured by a differential scanning calorimeter (DSC) as the main peak, the copolymer (B-1) has a value of not higher than 60.degree. C., while the copolymer (B-2) has a value of not higher than 80.degree. C.

    摘要翻译: 公开了一种聚丙烯组合物,其包含95-55重量份的聚丙烯(A)和5-45重量份的乙烯/ 1-丁烯无规共聚物(B-1),其含有来自1-丁烯的构成单元的量 为15〜25摩尔% 和包含95-55重量份聚丙烯(A)和5-45重量份含有1-辛烯衍生物的乙烯/ 1-辛烯无规共聚物(B-2)的聚丙烯组合物,其量为 8〜20摩尔%。 每个无规共聚物(B-1)和(B-2)的特性粘度η在十氢萘中测定为1.5-3.5dl / g,玻璃化转变温度(Tg)不高于-50℃ 通过X射线衍射测定的结晶度小于20%,通过13C-NMR光谱测定的随机参数(B值)为1.0〜1.4。 对于通过差示扫描量热计(DSC)作为主峰测定的熔点,共聚物(B-1)的值不高于60℃,而共聚物(B-2)具有 值不高于80℃

    Resin compositions and use of the same
    9.
    发明授权
    Resin compositions and use of the same 失效
    树脂组合物及其用途

    公开(公告)号:US06936660B2

    公开(公告)日:2005-08-30

    申请号:US10765903

    申请日:2004-01-29

    摘要: Soft resin compositions comprising a polyethylene resin (A) and an ethylene/α-olefin random copolymer (B) comprising ethylene and an α-olefin having 3 to 20 carbon atoms at a specific proportion, or an ethylene/α-olefin copolymer resin composition comprising a linear ethylene/α-olefin copolymer (A-α) comprising ethylene and an α-olefin having 4 to 20 carbon atoms and a long-chain branched ethylene/α-olefin random copolymer (B-α) comprising ethylene and an α-olefin having 3 to 20 carbon atoms in a specific proportion, wherein a density and MFR of the polyethylene resin (A) and the copolymer (A-α), and a density, MFR, intrinsic viscosity, glass transition temperature crystallinity, molecular weight distribution, B value and gη* values of the copolymers (B) and (B-α) are each in a specific range.

    摘要翻译: 包含聚乙烯树脂(A)和包含乙烯和碳原子数为特定比例的碳原子数为3-20的α-烯烃的乙烯/α-烯烃无规共聚物(B)的软树脂组合物或乙烯/α-烯烃共聚物树脂组合物 包括包含乙烯和具有4至20个碳原子的α-烯烃的线型乙烯/α-烯烃共聚物(A-α)和包含乙烯和α-烯烃的长支链乙烯/α-烯烃无规共聚物(B-α) 具有特定比例的碳原子数为3〜20的α-烯烃,其中聚乙烯树脂(A)和共聚物(A-α)的密度和MFR,以及密度,MFR,特性粘度,玻璃化转变温度结晶度,分子量 共聚物(B)和(B-α)的分布,B值和geta *值各自在特定范围内。