摘要:
A heat-shrinkable polyester type film has a dynamic friction coefficient of at least one face with one face of another film of μd≦0.27 and range R≦0.05 and a weight loss of less than 0.24 g/m2 after 10 reciprocation times with 400 g load using a color fastness rubbing tester comprising a friction element bearing a sand paper with #1000 particle diameter.
摘要翻译:热收缩聚酯型膜具有至少一个面的动摩擦系数,其中另一个泥浆膜的一面为<0.27,范围R <= 0.05,重量损失小于0.24g / m 2, / SUP>,使用具有#1000粒径的砂纸的摩擦元件的色牢度摩擦测试仪,使用400g负荷进行10次往复运动。
摘要:
A heat-shrinkable polyester film characterized in that: (A) the heat shrinkage percentages in the maximum shrinkage direction thereof is 10 to 50% in hot water at 70° C.; (B) the heat shrinkage percentages in the maximum shrinkage direction thereof is 70% or more and that in the direction orthogonal to the maximum shrinkage direction is 10% or less in hot water at 85° C.; and (C) when the heat shrinkage percentage in the maximum shrinkage direction in hot water at 95° C. is designated as X0 (%) and the heat shrinkage percentage in the maximum shrinkage direction of a film obtained by previously heat-shrinking said film to an extent of 10% in hot water at 95° C. is designated as X10 (%), the difference in heat shrinkage percentage Δ (%) calculated according to the following equation is 10 to 20%. Δ=X0−X10
摘要:
A film roll of a heat-shrinkable polyester film characterized in that the heat-shrinkable polyester film meets the following requirements (1) and (2). (1) When samples are cut off therefrom at an almost equal interval along the longitudinal direction, and immersed in hot water at 85° C. for 10 seconds, subsequently in water at 25° C. and withdrawn, heat-shrinkage percentages in the maximum shrinkage direction of all the samples are 20% or more. (2) When raw polymers used for production of the film above comprises of a major constitutional unit and one or more sub constitutional units different therefrom; and the content of the primary sub constitutional unit is determined, the content of the primary sub constitutional unit in each sample is more than 7 mole % in 100% of all constitutional units, and when an average of the contents of the primary sub constitutional unit is calculated, the contents thereof of all the samples fall within a range of ±2 mole % relative to the average.
摘要:
Heat-shrinkable polyester films, each having a heat shrinkability of 30% or higher after treatment in hot water at 85° C. for 10 seconds in the main shrinkage direction of the film, and 10% or lower after treatment in hot water at 85° C. for 10 seconds in a direction perpendicular to the main shrinkage direction of the film, the resistance to tear propagation in the direction perpendicular to the main shrinkage direction after the film has been shrunk at 10% in the main shrinkage direction of the film being 1500 mN or smaller, exhibit excellent shrinkage finish with only rare occurrence of wrinkles, shrinkage spots and strains by shrinkage and have excellent cut properties along perforations; therefore, these films are suitable for full labels on bottles, particularly for full labels on PET bottles.
摘要:
Layered heat-shrinkable films disclosed herein are suitable for labels on PET bottles requiring label fitting and heat shrinkage at a high speed, which film has at least three layers, that is, both outer layers and an intermediate layer, wherein the heat shrinkability in the main shrinkage direction of the film is 20% or higher after treatment in hot water at 70° C. for 5 seconds and 35% to 55% after treatment in hot water at 75° C. for 5 seconds and 50% to 60% after treatment in hot water at 80° C. for 5 seconds, and the compressive strength of a label formed from the film meets the following formula (1): Y>X2.2 where Y is compressive strength (mN) and X is film thickness (&mgr;m).
摘要:
A heat-shrinkable polyester film having a shrinkability in hot water (hereinafter referred to as a hot-water shrinkability) at 95° C. for 10 seconds ranging from 30% to 50% in at least one direction (hereinafter referred to as direction (A)) and ranging from 25% to 45% in a direction (hereinafter referred to as direction (B)) perpendicular to said at least one direction, wherein a difference &Dgr;HS between the hot-water shrinkability in direction (A) and the hot-water shrinkability in direction (B) (ie., &Dgr;HS=|hot-water shrinkability in direction (A)—hot-water shrinkability in direction (B)|) is 10% or smaller, is useful as a wrapping material, mainly as a covering material for the openings of vessels used for packing noodles, puddings, salads, and other foods.
摘要:
Heat-shrinkable polyester films suitable for label use, wherein the value of tan &dgr; for dynamic viscoelasticity in a main shrinkage direction of the film is 0.15 or higher at 65° C. and takes a maximum of 0.40 or higher at a temperature of 65° C. to 100° C. both inclusive, and the heat shrinkability in the main shrinkage direction of the film after treatment in hot water at 80° C. for 10 seconds is 30% or higher, have excellent shrinkage characteristics over a wide range of temperature extending from low temperatures to high temperatures, particularly in the low temperature range, which may cause only rare occurrence of shrinkage spots, wrinkles, strains, longitudinal sinking, and other defects during heat shrinkage, and which may further have excellent break resistance.
摘要:
A heat-shrinkable polyester type film has a dynamic friction coefficient of at least one face with one face of another film of μd≦0.27 and range R≦0.05 and a weight loss of less than 0.24 g/m2 after 10 reciprocation times with 400 g load using a color fastness rubbing tester comprising a friction element bearing a sand paper with #1000 particle diameter.
摘要翻译:热收缩聚酯型膜具有至少一面的动摩擦系数,另一膜的一面为μd&nlE; 0.27和范围R&lt; lE; 0.05,并且在10次往复运动之后的重量损失小于0.24g / m 2, 使用具有#1000粒径的砂纸的摩擦元件的耐色牢度摩擦测试仪进行加载。
摘要:
The present invention provides a heat-shrinkable polyester film with very good perforation-tear property and also very high productivity. A heat-shrinkable polyester film made of a polyester resin including ethylene terephthalate as a main constituent and containing 15% by mole or more of at least one monomer capable of forming an amorphous component in the whole components of the polyester resin, which exhibits specific heat shrinkage properties and specific mechanical properties after the heat shrinkage.
摘要:
A heat-shrinkable polyester film characterized in that: (A) the heat shrinkage percentages in the maximum shrinkage direction thereof is 10 to 50% in hot water at 70° C.; (B) the heat shrinkage percentages in the maximum shrinkage direction thereof is 70% or more and that in the direction orthogonal to the maximum shrinkage direction is 10% or less in hot water at 85° C.; and (C) when the heat shrinkage percentage in the maximum shrinkage direction in hot water at 95° C. is designated as X0 (%) and the heat shrinkage percentage in the maximum shrinkage direction of a film obtained by previously heat-shrinking said film to an extent of 10% in hot water at 95° C. is designated as X10 (%), the difference in heat shrinkage percentage Δ (%) calculated according to the following equation is 10 to 20% Δ=X0−X10.