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METHOD OF PRODUCING ELASTIC LAMINAR MATERIAL AND LAMINATED ELASTIC PRODUCT
专利权人:
发明人:
申请号:
RU2018111285
公开号:
RU2018111285A3
申请日:
申请国别(地区):
RU
年份:
2019
代理人:
摘要:
Elastic laminate comprising- a polymer intermediate elastic film (F) formed by three coextruded layers (F1, F2, F1), wherein the outer layers (F1) are made of the same polymer material, and the inner layer (F2) is made of a different polymer material,- two nonwoven fabrics (T1, T2) joined, through spot or areas welding (Z), to the two opposite faces of said coextruded elastic film (F),and wherein• the ratio between MD elongation at break at 10N, and laminate thickness after the stretching step is lower than 8, and preferably lower than 7,5 and/or• the ratio in (N/50 mm)/(mm), between CD tensile strength and laminate thickness after the stretching step is lower than 79, and preferably lower than 78 and/or• the ratio in (g/m<;sup>;2<;/sup>;/mm) between laminate weight and thickness after the stretching step is lower than 105, and more preferably lower than 100.
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