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    • 4. 发明授权
    • Plasticized polyester compositions and films therefrom
    • 增塑聚酯组合物及其膜
    • US06544607B1
    • 2003-04-08
    • US09498341
    • 2000-02-04
    • Takayuki KurokiShuhei IkadoMasataka IwataHirotaka Wanibe
    • Takayuki KurokiShuhei IkadoMasataka IwataHirotaka Wanibe
    • C08K5103
    • C08J5/18B65D65/466C08J2367/04C08K5/103Y10S428/913Y10T428/1334Y10T428/1345C08L67/04
    • An aliphatic polyester stretched film which has excellent flexibility and heat resistance and manifests no bleeding of a plasticizer, an aliphatic polyester composition which is a raw material of the stretched film, and a package using the stretched film. The film can be prepared from an aliphatic polyester composition comprising 10 to 60 parts by weight of at least one compound selected from (A) a compound represented by the general formula: R1OCH2CH(OR2)CH2OR3 (wherein, at least one of R1, R2 and R3 represents an acyl group having 6 to 18 carbon atoms, and remaining groups represent a hydrogen atom or an acetyl group.) and (B) a compound which is a reaction product of a condensate of 1 to 10 glycerin units with a carboxylic acid having 6 to 18 carbon atoms, based on 100 parts by weight of an aliphatic polyester. The aliphatic polyester stretched film can have a crystallinity of 20 to 60% which is obtained by molding the composition, and the film can be formed into a package obtained.
    • 具有优异的柔软性和耐热性的脂肪族聚酯拉伸膜,并且不显示增塑剂的渗色,作为拉伸膜的原料的脂肪族聚酯组合物和使用拉伸膜的包装。 所述薄膜可以由包含10至60重量份的至少一种选自(A)由通式R1OCH2CH(OR2)CH2OR3表示的化合物的化合物(其中R1,R2中的至少一个) R3表示碳原子数6〜18的酰基,剩余的基团表示氢原子或乙酰基)(B)作为1〜10个甘油缩合物与羧酸的反应产物的化合物 具有6至18个碳原子,基于100重量份的脂族聚酯。 脂肪族聚酯拉伸膜的结晶度可以通过模塑该组合物获得的结晶度为20〜60%,并且可以将膜形成为获得的包装。
    • 9. 发明申请
    • POLYOLEFIN COMPOSITE FILM
    • 聚烯烃复合膜
    • US20130202864A1
    • 2013-08-08
    • US13881073
    • 2011-11-10
    • Ikuo AkaiTomohiro AbeTakayuki Kuroki
    • Ikuo AkaiTomohiro AbeTakayuki Kuroki
    • B32B27/32
    • B32B27/32B32B27/08B32B2250/03B32B2250/24B32B2250/242B32B2307/31B32B2439/70C08L2203/162Y10T428/2495Y10T428/31913C08L23/12C08L23/14C08L23/20
    • The polyolefin composite film is excellent in low-temperature heat sealability, heat-sealing strength and transparency, and at least has surface layer [i]//intermediate layer [iii]//core layer [ii], wherein the surface layer [i] includes a propylene resin composition including 0-50 wt % of a specific propylene/α-olefin random copolymer (A) and/or a specific 1-butene/α-olefin copolymer (E), and 50-100 wt % of a propylene polymer (B) having a melting point of 120-170° C. ((A), (E) and (B) in the surface layer totals 100 wt %); the core layer [ii] includes a propylene resin composition including 70-100 wt % of a crystalline polypropylene (C) having a melting point of 150-170° C., and 0-30 wt % of the copolymer (A) ((C) and (A) in the core layer totals 100 wt %); and the intermediate layer [iii] includes a propylene resin composition including 50-95 wt% of the crystalline polypropylene (C) and 50-5% of the polymer (B), the copolymer (A), and/or the copolymer (E) ((C), (B), (A) and (E) in the intermediate layer totals 100 wt %).
    • 聚烯烃复合膜的低温热封性,热封强度和透明度优异,至少具有表层[i] //中间层[iii] //芯层[ii],其中表面层[i ]包括丙烯树脂组合物,其包含0-50重量%的特定丙烯/α-烯烃无规共聚物(A)和/或特定的1-丁烯/α-烯烃共聚物(E),和50-100重量%的 熔点为120-170℃的丙烯聚合物(B)(表面层中的(A),(E)和(B)总计为100重量%)。 芯层[ii]包括丙烯树脂组合物,其包含70-100重量%的熔点为150-170℃的结晶聚丙烯(C)和0-30重量%的共聚物(A)(( C)和(A)总计100重量%); 中间层[iii]包括丙烯树脂组合物,其包含50-95重量%的结晶聚丙烯(C)和50-5重量%的聚合物(B),共聚物(A)和/或共聚物(E )((C),(B),(A)和(E)总计100重量%)。
    • 10. 发明申请
    • RESIN COMPOSITION AND MELT BAG
    • 树脂组合物和薄膜包
    • US20110046311A1
    • 2011-02-24
    • US12935578
    • 2009-03-24
    • Takayuki KurokiYukio Adachi
    • Takayuki KurokiYukio Adachi
    • C08L23/08C08L23/14
    • C08L23/0815B65D65/38B65D75/00C08J5/18C08J2323/08C08J2323/14C08L23/142C08L23/20C08L2666/06
    • Melt bags of the invention are molten uniformly at temperatures lower than melting operation temperatures in the product manufacturing and do not remain unmolten in the final products. The melt bags have high storage stability and excellent mechanical properties. Resin compositions of the invention are suited to give such melt bags.A resin composition of the invention includes a propylene/C2-20 α-olefin (except propylene) copolymer (A) having (1) a melting point (Tm) of not more than 90° C. as measured by differential scanning calorimetry (DSC) or not showing a melting point peak in DSC, and an ethylene/C3-20 α-olefin copolymer (B) having (1) a melting point (Tm) of not more than 90° C. as measured by differential scanning calorimetry (DSC) or not showing a melting point peak in DSC, the weight ratio of these copolymers (A)/(B) being in the range of 99/1 to 1/99.
    • 本发明的熔体袋在低于产品制造中的熔融操作温度的温度下熔融均匀,并且在最终产品中不保持不熔融。 熔体袋具有高储存稳定性和优异的机械性能。 本发明的树脂组合物适合于提供这种熔体袋。 本发明的树脂组合物包括通过差示扫描量热法(DSC)测定的(1)熔点(Tm)为90℃以下的丙烯/C2-20α-烯烃(丙烯除外)共聚物(A) )或DSC中没有显示熔点峰,以及通过差示扫描量热法测量的(1)熔点(Tm)不超过90℃的乙烯/C3-20α-烯烃共聚物(B)( DSC)或DSC中没有显示熔点峰,这些共聚物(A)/(B)的重量比在99/1至1/99的范围内。