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    Non-catalytic durable press process for treating cellulosic material using formaldehyde vapor and post-heating
    2.
    发明授权
    Non-catalytic durable press process for treating cellulosic material using formaldehyde vapor and post-heating 失效
    使用甲醛蒸汽和加热处理纤维素材料的非催化耐久压力过程

    公开(公告)号：US3801277A

    公开(公告)日：1974-04-02

    申请号：US3801277D

    申请日：1972-07-13

    申请人： COTTON INC

    发明人： GAMARRA J ,  SWIDLER R

    IPC分类号： D06M15/423 ,  D06M101/00 ,  D06M101/02 ,  D06M101/06 ,  D06M101/08 ,  D06M13/14 ,  D06M13/40 ,  D06M13/54

    CPC分类号： D06M15/423 ,  Y10S8/04 ,  Y10S8/09 ,  Y10S8/10 ,  Y10S8/21

    摘要： The dimensional stability, wrinkle resistance, smooth drying characteristics and total shape retentivity of cellulosic material such as cotton fabrics are improved by impregnating the fabric with an aqueous solution of a monomeric compound which has at least one active hydrogen and reacts with formaldehyde, e.g., urea, exposing the impregnated fabric to an atmosphere containing formaldehyde vapors in the absence of a catalyst until a creaseproofing amount of an at least partially polymerized, substantially water-insoluble condensate (such as an amideformaldehyde condensate) is affixed to the fabric without, however, effecting any substantial amount of cross-linking with the cellulosic fiber. The thus-exposed fabric is thereafter postheated in an inert gaseous atmosphere also in the absence of a catalyst to further polymerize and cross-link the fabric.

    Process for treating cellulosic material with formaldehyde in liquid phase and sulfur dioxide
    3.
    发明授权
    Process for treating cellulosic material with formaldehyde in liquid phase and sulfur dioxide 失效
    在液相和二氧化硫中用甲醛处理纤维素材料的方法

    公开(公告)号：US3841832A

    公开(公告)日：1974-10-15

    申请号：US33233273

    申请日：1973-02-14

    申请人： COTTON INC

    发明人： SWIDLER R ,  WILSON K

    IPC分类号： D06M11/54 ,  D06M13/12

    CPC分类号： D06M13/127 ,  D06M11/54 ,  Y10S8/04 ,  Y10S8/09 ,  Y10S8/10 ,  Y10S8/21

    摘要： The dimensional stability, crease retention, wrinkle resistance and smooth drying characteristics of a cellulose fiber-containing material such as a cotton fabric are improved by impregnating the material with an aqueous formaldehyde phase and curing the formaldehyde-containing material at high temperature in the presence of catalyst-forming sulfur dioxide while governing the amount of water in the system to provide a self-limiting reaction system, water being the limiting factor in the reaction by which an acid curing catalyst is formed from formaldehyde, sulfur dioxide and water. The aqueous formaldehyde phase may be applied to the material as such, or it may be formed in the material by exposing the latter in a humidified state to formaldehyde vapor. Sulfur dioxide may be introduced into the system either in the course of the aqueous impregnation step or in the curing step.

    Durable press process for treating cellulosic material with methylolamides and acetic acid or formic acid vapors
    4.
    发明授权
    Durable press process for treating cellulosic material with methylolamides and acetic acid or formic acid vapors 失效
    用甲酰胺和乙酸或酸式蒸气处理细胞质材料的耐久压力过程

    公开(公告)号：US3811131A

    公开(公告)日：1974-05-21

    申请号：US23898372

    申请日：1972-03-28

    申请人： COTTON INC

    发明人： GAMARRA J ,  SWIDLER R ,  WILSON K

    IPC分类号： D06M15/423 ,  D06M1/16 ,  D06M15/56 ,  D06M15/58

    CPC分类号： D06M13/127 ,  D06M15/423 ,  Y10S8/04 ,  Y10S8/09 ,  Y10S8/10 ,  Y10S8/21

    摘要： The dimensional stability, wrinkle resistance, smooth drying characteristics and total shape retentivity of cellulosic materials such as cotton fabrics are improved by treatment with acetic acid or formic acid vapors after impregnation of the materials with an aqueous solution of a water-soluble creaseproofing agent containing reactive N-methylol groups such as trimethylolmelamine or DHDMEU, whereby the cellulosic fibers become crosslinked.

    摘要翻译： 纤维素材料如棉织物的尺寸稳定性，抗皱性，平滑干燥特性和总形状保持性通过用水溶性防皱剂水溶液浸渍后用乙酸或甲酸蒸气处理而得到改善 含有反应性N-羟甲基如三羟甲基三聚氰胺或DHDMEU，由此纤维素纤维变得交联。