FIELD: textile industry. SUBSTANCE: knitted material with naps is made of poly-acrylic-nitril fibers. 5-100 weight % of the fibers are foamed fibers which have expansion coefficient 3-100; longer axis of cross-section relates to shorter axis as 4.2. Length of naps is equal to 5-120 mm, weight of naps is equal to 300-1800 g/m2 for square unit. EFFECT: improved strength of material. 3 tbl
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|---|---|---|---|
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|
RU2044807C1 |
| METHOD FOR PRODUCING FIBRE-FORMING COPOLYMERS OF ACRYLONITRILE | 0 |
|
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|
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| PROCESS FOR PREPARING OPTICALLY ACTIVE N-MERCAPTOALKANOYLAMINO ACIDS | 0 |
|
SU1060106A3 |
| 0 |
|
SU507212A3 | |
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SU1572422A3 |
