摘要:
A multilayered laminate which comprises (A) at least one thermoplastic resin layer of an ethylenic copolymer having ethylene and at least one of acrylamide derivatives, methacrylamide derivatives, ester monomers, ether compounds, acid compounds having an unsaturated bond between carbon atoms, and mixtures thereof; (B) other thermoplastic resin layers; and (C) a hydroscopic gas barrier intermediate layer and a method of improving the transparency of polypropylene.
摘要:
A thermoplastic resin composition including (A) an ethylenic copolymer containing at least one of acrylamide derivative units and methacrylamide derivative units and (B) other thermoplastic resin and a laminate containing at least one layer prepared from the thermoplastic resin composition.
摘要:
A permeation-preventive member and a multilayered container for fuel tank employing the permeation-preventive member, the permeation-preventive member is for preventing a permeation of hydrocarbon compound by fusion-bonding the member to a discontinuous part of the permeation-preventive layer in a multilayered container for fuel tank which comprises an inner polyolefin resin layer, an outer polyolefin resin layer and a permeation-preventive layer as an interlayer, wherein the permeation-preventive member comprises a metal sheet or foil and an adhesive resin layer comprising a modified polyolefin that satisfies the following requirements (a) to (e): (a) the melt flow rate as measured at a temperature of 190° C. under a load of 2.16 kg is 0.1-100 g/10 min; (b) the density is 0.910-0.965 g/cm3; (c) the initial adhesive strength to the metal sheet or foil is 0.1 kg/10 mm or higher; (d) the adhesive strength to the metal sheet or foil as measured after 2,500-hour immersion at 65° C. in a mixed solvent composed of 45 parts by volume of 2,2,4-trimethylpentane, 45 parts by volume of toluene, and 10 parts by volume of ethyl alcohol is 0.1 kg/10 mm or higher; and (e) the proportion of the adhesive strength (d) to the initial adhesive strength (c) is 50% or higher.
摘要:
A permeation-preventive member and a multilayered container for fuel tank employing the permeation-preventive member, the permeation-preventive member is for preventing a permeation of hydrocarbon compound by fusion-bonding the member to a discontinuous part of the permeation-preventive layer in a multilayered container for fuel tank which comprises an inner polyolefin resin layer, an outer polyolefin resin layer and a permeation-preventive layer as an interlayer, wherein the permeation-preventive member comprises a metal sheet or foil and an adhesive resin layer comprising a modified polyolefin that satisfies the following requirements (a) to (e): (a) the melt flow rate as measured at a temperature of 190° C. under a load of 2.16 kg is 0.1-100 g/10 min; (b) the density is 0.910-0.965 g/cm3; (c) the initial adhesive strength to the metal sheet or foil is 0.1 kg/10 mm or higher; (d) the adhesive strength to the metal sheet or foil as measured after 2,500-hour immersion at 65° C. in a mixed solvent composed of 45 parts by volume of 2,2,4-trimethylpentane, 45 parts by volume of toluene, and 10 parts by volume of ethyl alcohol is 0.1 kg/10 mm or higher; and (e) the proportion of the adhesive strength (d) to the initial adhesive strength (c) is 50% or higher.
摘要:
A welding material, comprising a modified polyethylene resin composition (Z) comprising from 0.5 to 95 wt % of a modified polyethylene resin (X) having at least one monomer selected from the group consisting of an unsaturated carboxylic acid and its derivative, grafted to a polyethylene resin (A) having a density of from 0.910 to 0.965 g/cm3 and a MFR (temperature: 190° C., load: 2.16 kg) of from 0.1 to 5.0 g/10 min, and from 5 to 99.5 wt % of an unmodified polyethylene resin (Y) having a density of from 0.930 to 0.965 g/cm3, a MFR of from 0.01 to 5.0 g/10 min and a melt flow rate ratio (HL-MFR (temperature: 190° C., load: 21.6 kg)/MFR of from 40 to 270, and having a density of from 0.938 to 0.965 g/cm3 and a MFR of from 0.05 to 1.0 g/10 min.
摘要翻译:一种焊接材料,其包含改性聚乙烯树脂组合物(Z),其包含0.5至95重量%的具有至少一种选自不饱和羧酸及其衍生物的单体的改性聚乙烯树脂(X),其接枝到 密度为0.910〜0.965g / cm 3,MFR(温度:190℃,负荷2.16kg)为0.1〜5.0g / 10分钟的聚乙烯树脂(A)和5〜99.5重量% 密度为0.930〜0.965g / cm 3,MFR为0.01〜5.0g / 10min的未改性聚乙烯树脂(Y),熔体流动速率比(HL-MFR(温度:190℃,载荷: 21.6kg)/ MFR为40〜270,密度为0.938〜0.965g / cm 3,MFR为0.05〜1.0g / 10分钟。
摘要:
To provide a welding material for a fuel tank, which can be readily welded to a fuel tank made of a resin and maintain the welded strength even after being in contact with a fuel such as gasoline and yet is excellent in the long-term performance, a fuel tank attachment constituted by the welding material, and a fuel tank thereby welded. A welding material for a fuel tank, comprising a modified polyethylene resin composition (Z) comprising from 0.5 to 95 wt % of a modified polyethylene resin (X) having at least one monomer selected from the group consisting of an unsaturated carboxylic acid and its derivative, grafted to a polyethylene resin (A) having a density of from 0.910 to 0.965 g/cm3 and a melt flow rate (temperature: 190° C., load: 2.16 kg) of from 0.1 to 5.0 g/10 min, and from 5 to 99.5 wt % of an unmodified polyethylene resin (Y) having a density of from 0.930 to 0.965 g/cm3, a melt flow rate (temperature: 190° C., load: 2.16 kg) of from 0.01 to 5.0 g/10 min and a melt flow rate ratio (high load melt flow rate HL-MFR (temperature: 190° C., load: 21.6 kg)/melt flow rate MFR (temperature: 190° C., load: 2.16 kg)) of from 40 to 270, and having a density of from 0.938 to 0.965 g/cm3 and a melt flow rate (temperature: 190° C., load: 2.16 kg) of from 0.05 to 1.0 g/10 min.
摘要翻译:为了提供一种用于燃料箱的焊接材料,其可以容易地焊接到由树脂制成的燃料箱中并且即使在与诸如汽油的燃料接触之后也保持焊接强度,并且长期性能优异, 由焊接材料构成的燃料箱附件和由此焊接的燃料箱。 1.一种燃料箱用焊接材料,其特征在于,含有改性聚乙烯树脂组合物(Z),其含有0.5〜95重量%的具有选自不饱和羧酸及其衍生物中的至少一种单体的改性聚乙烯树脂(X) 接枝到密度为0.910〜0.965g / cm 3的聚乙烯树脂(A),熔体流动速率(温度:190℃,负荷2.16kg)为0.1〜 5.0g / 10min,和5〜99.5wt%的密度为0.930〜0.965g / cm 3的未改性聚乙烯树脂(Y),熔体流动速率(温度:190° 熔体流动速率比(高负荷熔体流动速率HL-MFR(温度:190℃,负荷21.6kg))/熔体流动速率MFR(C,负荷2.16kg)为0.01〜5.0g / (温度:190℃,负载2.16kg))为40〜270,密度为0.938〜0.965g / cm 3,熔体流动速率(温度:190° C.,负荷:2.16kg)为0.05-1.0g / 10min。