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    • 3. 发明申请
    • PROPYLENE RESIN COMPOSITION
    • 丙烯树脂组合物
    • US20090118414A1
    • 2009-05-07
    • US12064643
    • 2006-09-22
    • Shinichi KitadeHideshi UchinoJun ShinozakiKuninori TakahashiKenji Masuda
    • Shinichi KitadeHideshi UchinoJun ShinozakiKuninori TakahashiKenji Masuda
    • C08K3/34C08L23/14
    • C08F297/08C08F4/65912C08F4/65916C08F10/00C08F10/06C08F210/06C08F297/083C08L23/10C08L23/142C08L23/16C08L2205/02C08L2308/00C08L2314/06Y10S526/941Y10S526/943C08F4/6492C08F4/6565C08F4/65927C08F2/001C08L2666/06C08F210/16C08F2500/12C08F2500/11
    • A propylene resin composition which is a three-component material is improved in rigidity, heat resistance, and impact resistance while maintaining a satisfactory balance among these and further improved in low-temperature (about −30° C.) impact resistance. A propylene resin composition comprising: 60-95 wt % of a crystalline propylene polymer ingredient (a) comprising a propylene homopolymer ingredient or a copolymer of propylene and up to 3 wt % ethylene or an α-olefin having 4-20 carbon atoms; and 40-5 wt % of a propylene/ethylene copolymer ingredient (b), wherein the ingredients are polymerized using a metallocene catalyst, and the composition satisfies the following properties i) to iv): i) A melting point obtained by differential scanning calorimetry (DSC) is 156° C. or higher, ii) A proportion of the copolymer ingredient (b) determined by a temperature rising elution fractionation (TREF) fractionating at three levels of temperature of 40° C., 100° C., and 140° C., is 5-40 wt %, iii) An ethylene content of the copolymer ingredient (b) determined by a temperature rising elution fractionation (TREF) fractionating at three levels of temperature of 40° C., 100° C., and 140° C., is 30-50 wt %, and an average ethylene content in components eluting at 40-100° C. is 10 wt % or lower, and iv) The propylene/ethylene copolymer ingredient (b) comprises at least two kinds of propylene/ethylene copolymer ingredients (b−1) and (b−2), each of which differs in ethylene content, wherein an ethylene content of the ingredient (b−1) and an ethylene content of the ingredient (b−2) are 15-30 wt % and 40-55 wt %, respectively, and the ratio of the amount of ingredient (b−1) to that of ingredient (b−2), (b−1):(b−2), is in the range of from 1:99 to 40:60.
    • 作为三组分材料的丙烯树脂组合物在刚性,耐热性和抗冲击性方面得到改善,同时保持这些之间的良好平衡,并进一步提高了低温(约-30℃)耐冲击性。 一种丙烯树脂组合物,其包含:60-95重量%的结晶丙烯聚合物成分(a),其包含丙烯均聚物成分或丙烯和至多3重量%乙烯或具有4-20个碳原子的α-烯烃的共聚物; 和40-5重量%的丙烯/乙烯共聚物成分(b),其中所述成分使用金属茂催化剂进行聚合,所述组合物满足以下特性:i)至iv):i)通过差示扫描量热法获得的熔点 (DSC)为156℃以上,ii)通过在40℃,100℃的三个温度下分馏的升温洗脱分级(TREF)测定的共聚物成分(b)的比例,和 140℃,为5-40重量%,iii)共聚物成分(b)的乙烯含量通过升温洗脱分级(TREF)测定,在三个温度为40℃,100℃下分馏。 和140℃,为30-50重量%,在40-100℃洗脱的组分中的平均乙烯含量为10重量%或更低,和iv)丙烯/乙烯共聚物成分(b)包含 丙烯/乙烯共聚物成分(b-1)和(b-2)中的至少两种乙烯含量不同, 组分(b-1)的乙烯含量和成分(b-2)的乙烯含量分别为15-30重量%和40-55重量%,并且成分(b- 1)与成分(b-2),(b-1):( b-2)的比例在1:99至40:60的范围内。
    • 5. 发明授权
    • Polypropylene based heat shrinkable film
    • 聚丙烯基热收缩膜
    • US07662888B2
    • 2010-02-16
    • US11410074
    • 2006-04-25
    • Gen KanaiKuninori TakahashiShinichi KitadeIku Kouzai
    • Gen KanaiKuninori TakahashiShinichi KitadeIku Kouzai
    • C08F297/00
    • B32B27/32B32B27/08B32B27/327B32B2250/242B32B2307/306B32B2307/406B32B2307/412B32B2307/516B32B2307/518B32B2307/54B32B2307/546B32B2307/558B32B2307/702B32B2307/704B32B2307/736B32B2439/46B32B2439/70B32B2553/00C08J5/18C08J2323/10C08L23/10C08L23/16C08L2308/00C08L2314/06Y10T428/31855C08L2666/06
    • A polypropylene based heat shrinkable film obtained by using a propylene-ethylene block copolymer (A) which satisfies the following requirements (A-i) to (A-iv), and having heat shrinkability imparted by orientation in at least one direction: (A-i) it is a propylene-ethylene block copolymer obtained through sequential polymerization catalyzed by a metallocene catalyst which is composed of 30 to 95 wt % of a propylene homopolymer or propylene-ethylene random copolymer component (A1) having an ethylene content of at most 7 wt % produced in a first step and 70 to 5 wt % of a propylene-ethylene random copolymer component (A2) produced in a second step having an ethylene content higher by 3 to 20 wt % than that of the component (A1); (A-ii) it has a melt flow rate (MFR: 2.16 kg, 230° C.) within a range of 0.1 to 30 g/10 min; (A-iii) a temperature-loss tangent (tan δ) curve obtained by dynamic mechanical analysis (DMA) has a single peak at a temperature of at most 0° C.; (A-iv) in a temperature rising elution fractionation (TREF) curve obtained as a plot of an elution amount (dwt %/dT) to a temperature by means of temperature rising elution fractionation (TREF) using an o-dichlorobenzene solvent in a temperature range of −15° C. to 140° C., a peak temperature T(A1) observed at a high temperature side is within a range of 60° C. to 88° C., a peak temperature T(A2) observed at a low temperature side is at most 40° C. or a peak temperature T(A2) is not observed, and a temperature T(A4) at which 99 wt % of the total amount of the propylene-ethylene block copolymer is eluted is less than 90° C.
    • 通过使用满足以下要求(A 1)至(A-iv)的丙烯 - 乙烯嵌段共聚物(A),并且具有至少一个方向上的取向赋予热收缩性的聚丙烯基热收缩膜:(Ai) 是通过由金属茂催化剂催化的顺序聚合得到的丙烯 - 乙烯嵌段共聚物,其由30至95重量%的乙烯含量至多为7重量%的丙烯均聚物或丙烯 - 乙烯无规共聚物组分(A1) 在第一步中,70-5重量%的乙烯含量高于组分(A1)的3-20重量%的第二步产生的丙烯 - 乙烯无规共聚物组分(A2); (A-ii),其熔体流动速率(MFR:2.16kg,230℃)在0.1〜30g / 10min的范围内; (A-iii)通过动态力学分析(DMA)获得的温度 - 损耗角正切(tanδ)曲线在至多0℃的温度下具有单峰; (TR-F)曲线中的溶出量(dwt%/ dT)与温度的升高洗脱分级(TREF)曲线的比较(A-iv),使用邻二氯苯溶剂 温度范围为-15℃至140℃,在高温侧观察到的峰值温度T(A1)在60℃至88℃的范围内,观察到峰值温度T(A2) 在低温侧为40℃以下,没有观察到峰值温度T(A2),丙烯 - 乙烯嵌段共聚物总量99重量%的洗脱温度T(A4)为 小于90℃
    • 6. 发明申请
    • Polypropylene based heat shrinkable film
    • 聚丙烯基热收缩膜
    • US20060246308A1
    • 2006-11-02
    • US11410074
    • 2006-04-25
    • Gen KanaiKuninori TakahashiShinichi KitadeIku Kouzai
    • Gen KanaiKuninori TakahashiShinichi KitadeIku Kouzai
    • B32B27/00C08F293/00
    • B32B27/32B32B27/08B32B27/327B32B2250/242B32B2307/306B32B2307/406B32B2307/412B32B2307/516B32B2307/518B32B2307/54B32B2307/546B32B2307/558B32B2307/702B32B2307/704B32B2307/736B32B2439/46B32B2439/70B32B2553/00C08J5/18C08J2323/10C08L23/10C08L23/16C08L2308/00C08L2314/06Y10T428/31855C08L2666/06
    • A polypropylene based heat shrinkable film obtained by using a propylene-ethylene block copolymer (A) which satisfies the following requirements (A-i) to (A-iv), and having heat shrinkability imparted by orientation in at least one direction: (A-i) it is a propylene-ethylene block copolymer obtained through sequential polymerization catalyzed by a metallocene catalyst which is composed of 30 to 95 wt % of a propylene homopolymer or propylene-ethylene random copolymer component (A1) having an ethylene content of at most 7 wt % produced in a first step and 70 to 5 wt % of a propylene-ethylene random copolymer component (A2) produced in a second step having an ethylene content higher by 3 to 20 wt % than that of the component (A1); (A-ii) it has a melt flow rate (MFR: 2.16 kg, 230° C.) within a range of 0.1 to 30 g/10 min; (A-iii) a temperature-loss tangent (tan δ) curve obtained by dynamic mechanical analysis (DMA) has a single peak at a temperature of at most 0° C.; (A-iv) in a temperature rising elution fractionation (TREF) curve obtained as a plot of an elution amount (dwt %/dT) to a temperature by means of temperature rising elution fractionation (TREF) using an o-dichlorobenzene solvent in a temperature range of −15° C. to 140° C., a peak temperature T(A1) observed at a high temperature side is within a range of 60° C. to 88° C., a peak temperature T(A2) observed at a low temperature side is at most 40° C. or a peak temperature T(A2) is not observed, and a temperature T(A4) at which 99 wt % of the total amount of the propylene-ethylene block copolymer is eluted is less than 90° C.
    • 通过使用满足以下要求(A 1)至(A-iv)的丙烯 - 乙烯嵌段共聚物(A),并且具有至少一个方向上的取向赋予热收缩性的聚丙烯基热收缩膜:(Ai) 是通过由金属茂催化剂催化的顺序聚合得到的丙烯 - 乙烯嵌段共聚物,其由30至95重量%的乙烯含量至多为7重量%的丙烯均聚物或丙烯 - 乙烯无规共聚物组分(A1) 在第一步中,70-5重量%的乙烯含量高于组分(A1)的3-20重量%的第二步产生的丙烯 - 乙烯无规共聚物组分(A2); (A-ii),其熔体流动速率(MFR:2.16kg,230℃)在0.1〜30g / 10min的范围内; (A-iii)通过动态力学分析(DMA)获得的温度 - 损耗角正切(tanδ)曲线在至多0℃的温度下具有单峰; (TR-F)曲线中的溶出量(dwt%/ dT)与温度的升高洗脱分级(TREF)曲线的比较(A-iv),使用邻二氯苯溶剂 温度范围为-15℃至140℃,在高温侧观察到的峰值温度T(A1)在60℃至88℃的范围内,观察到峰值温度T(A2) 在低温侧为40℃以下,没有观察到峰值温度T(A2),丙烯 - 乙烯嵌段共聚物总量99重量%的洗脱温度T(A4)为 小于90℃