Abstract:
There is provided a packaging film that is free from occurrence of blocking upon storage, and deterioration in adhesion to containers even when used under low-temperature conditions, notwithstanding the film is produced while effectively utilizing exhaustible resources. A wrap film of the present invention comprises a laminated film constituted of at least three layers including opposite surface layers comprising a plant-derived polyethylene resin, in which the wrap film has a storage elastic modulus (E′) at 20° C. of 100 MPa to 4 GPa and an average loss tangent (tan δ) at −40 to 0° C. of not less than 0.08 as measured at an oscillation frequency of 10 Hz and a distortion of 0.1% by a dynamic viscoelasticity measuring method described in the Method A of JIS K 7198.
Abstract translation:提供了一种在存储时不发生阻塞的包装膜,即使在低温条件下使用时也降低了与容器的粘附性,尽管在有效地利用可利用的资源的同时制造膜。 本发明的保鲜膜包括由包含植物衍生的聚乙烯树脂的相对表面层的至少三层构成的层压膜,其中所述保鲜膜在20℃下的储能弹性模量(E')为100 在-40〜0℃下的平均损耗角正切(tanδ)为0.08以下,振动频率为10Hz,变形为0.1%时的动态粘弹性测定方法为 JIS K 7198的方法A.
Abstract:
An alumina slurry containing alumina dispersed in a dispersion medium, the alumina having an average primary particle diameter of 0.1 μm or more and 1.0 μm or less, the alumina satisfying the following condition (1), and the slurry having a content of the alumina of 30% by mass or more and 70% by mass or less and a content of water in the dispersion medium of 50% by mass or more:condition (1): in relationship of a pore diameter r1 (Å) and a pore volume Dv1 (mL/g) of the alumina measured by a nitrogen desorption method based on JIS Z8831-2 (2010), the pore volume Dv1(80) at r1=80 and the maximum value Dv1(M) of Dv1 in a range 20≦r1≦80 satisfy Dv1(M)>Dv1(80).
Abstract:
A multilayer porous film having, on at least one surface of a polyolefinic resin porous film, a coating layer that contains an alumina and a resin binder, wherein, when the alumina is heated at a heating rate of 10° C./min in thermogravimetric analysis, the mass of the alumina at 250° C. W250 and the mass thereof at 400° C. W400 satisfy the following relationship relative to the mass of the alumina at 25° C. W: (W250−W400)/W≧0.00350
Abstract:
The viscosity stability in forming a slurry of one or metal components selected from water-insoluble metal oxides and metal salts is improved, and using the resultant slurry, a coating layer is formed on a polyolefinic resin porous film to give a multilayer porous film having excellent surface smoothness. The multilayer porous film has, as layered on at least one surface of a polyolefinic resin porous film, a coating layer that contains one or more metal components selected from water-insoluble metal oxides and metal salts, and a resin binder, wherein the content of water-soluble calcium contained in the metal components is 3 ppm by mass or less.