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公开(公告)号:US5510003A
公开(公告)日:1996-04-23
申请号:US277851
申请日:1994-07-20
IPC分类号: D21H21/16 , C09J193/04 , D21H11/00 , D21H17/00 , D21H17/05 , D21H17/14 , D21H17/15 , D21H17/17 , D21H17/62 , D21H17/67
CPC分类号: D21H17/15 , D21H17/17 , D21H17/62 , D21H17/675 , D21H21/16
摘要: The invention relates to a method of sizing paper and similar cellulose products containing precipitated calcium carbonate as a filler. According to the method, an aqueous suspension of pulp is dewatered and dried in the presence of an aqueous dispersion of a rosin-based sizing agent, which comprises a rosin component and a rosin ester component, and an aqueous dispersion of a cellulose-reactive sizing agent. The invention also relates to an aqueous dispersion of sizing agents which comprises a rosin-based sizing agent, which contains a rosin component and a rosin ester component, and a cellulose-reactive sizing agent.
摘要翻译: 本发明涉及一种使含有沉淀碳酸钙作为填料的纸和类似纤维素产品的定型方法。 根据该方法,在包含松香组分和松香酯组分的松香基上浆剂的水分散体和纤维素反应性施胶剂的水分散体的存在下,将纸浆的水悬浮液脱水并干燥 代理商 本发明还涉及一种上浆剂的水性分散体,其包含含有松香组分和松香酯组分的松香基上浆剂和纤维素反应性施胶剂。
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公开(公告)号:US4323425A
公开(公告)日:1982-04-06
申请号:US132505
申请日:1980-03-21
申请人: Edwin Dowthwaite , Ian R. Hiskens
发明人: Edwin Dowthwaite , Ian R. Hiskens
CPC分类号: D21H17/62 , D21H17/00 , Y10T428/31848 , Y10T428/31993
摘要: This invention relates to improved rosin sizes, and to improved methods for preparing sized paper. In one embodiment, sized paper is prepared by adding the improved rosin size and a polyamine retention aid to a pulp slurry before sheet formation, without the use of aluminum sulfate. In another embodiment, paper is surface-sized with the improved rosin size in the absence of both aluminum sulfate and retention aids.
摘要翻译: 本发明涉及改进的松香尺寸,以及用于制备大小纸的改进方法。 在一个实施方案中,通过在不使用硫酸铝的情况下,将改进的松香尺寸和多胺助留剂添加到纸浆形成之前,将其制备成大小的纸。 在另一个实施方案中,在不存在硫酸铝和助留剂的情况下,纸张具有改进的松香尺寸的表面尺寸。
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公开(公告)号:US4222820A
公开(公告)日:1980-09-16
申请号:US917629
申请日:1978-06-21
摘要: A sizing agent for use in paper-making comprises an aqueous emulsion of at least one compound of the formulae ##STR1## wherein each R.sup.1 represents a hydrophobic group selected from alkyl, alkenyl, aralkyl or aralkenyl groups, where the R.sup.1 groups in either formula may be the same or different and together they contain from 25 to 60 carbon atoms. The sizing agent can be used for either internal or surface sizing, and is effective in the absence of, or in the presence of, a retention aid.
摘要翻译: 用于造纸的施胶剂包括至少一种式(I)或图像化合物的水乳液,其中每个R 1表示选自烷基,链烯基,芳烷基或芳烯基的疏水基团,其中R 1基团 在任一式中,它们可以相同或不同,一起含有25至60个碳原子。 上浆剂可用于内部或表面施胶,并且在保留助剂不存在或存在的情况下是有效的。
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