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    • 21. 发明授权
    • Method of imparting stain resistance to colored substrates which include
a filamentary material
    • 赋予包括丝状材料的有色基材耐污性的方法
    • US4695497A
    • 1987-09-22
    • US263
    • 1987-01-02
    • Monte L. Nagy, Jr.Charles J. Cole
    • Monte L. Nagy, Jr.Charles J. Cole
    • D06M13/428D06M15/295B32B3/02B32B33/00
    • D06M15/295D06M13/428Y10T428/23986Y10T428/23993Y10T428/2969Y10T428/3154Y10T428/31544Y10T442/2279
    • A method of imparting stain resistance to colored substrates which include a filamentary material is disclosed. A first dispersion of a polymer is applied to the filamentary material as a finish during the manufacture of the filamentary material, and a second dispersion of a polymer is applied as an overspray after the filamentary material has been formed into a colored substrate, to achieve at least 300 ppm fluorine from each application on the filamentary material (at least 600 ppm fluorine total). The dispersions are independently selected from the group consisting ofi. a first polymer comprising(a) from about 50 to about 85 parts by weight of units derived from a fluorinated monomer or mixture of fluorinated monomers having the formula ##STR1## (b) from about 15 to about 50 parts by weight of units derived from one or more monomers having the formula ##STR2## ii. a dispersion comprising (a) from about 10 to about 50 parts by weight the first polymer;(b) from about 5 to about 10 parts by weight an emulsifier; and(c) from about 40 to 85 parts by weight a second polymer derived from a monomer having the formula ##STR3## wherein R.sub.f is straight or branched-chain perfluoroalkyl containing 4-20 carbon atoms;R is H or CH.sub.3 ;n is an integer from 1-15; andX is Cl or Br.
    • 公开了对包括丝状材料的着色基底赋予耐污染性的方法。 聚合物的第一分散体在丝状材料的制造过程中作为整理剂施加到丝状材料上,并且在丝状材料已经形成为着色的基底之后,将聚合物的第二分散体作为过度喷涂施加,以达到 在丝状材料上的每种应用中至少含有300ppm的氟(总共至少600ppm的氟)。 分散体独立地选自i。 包含(a)约50至约85重量份衍生自氟化单体的单元或具有式(b)的氟化单体的混合物,约15至约50重量份衍生自 一种或多种具有下式的单体: 分散体,其包含(a)约10至约50重量份的第一聚合物; (b)约5至约10重量份的乳化剂; 和(c)约40至85重量份的衍生自具有式“IMAGE”的单体的第二聚合物,其中Rf为含4-20个碳原子的直链或支链全氟烷基; R为H或CH 3; n为1-15的整数; X为Cl或Br。