Deinking agent for regeneration of waste paper
    101.
    发明授权
    Deinking agent for regeneration of waste paper 失效
    废纸再生用脱墨剂

    公开(公告)号:US5518581A

    公开(公告)日:1996-05-21

    申请号:US71086

    申请日:1993-06-04

    IPC分类号: D21C5/02

    CPC分类号: D21C5/027 Y02W30/648

    摘要: A floatation method for the regeneration of waste paper employs as a deinking agent a reaction product of an alkylene oxide with a mixture of products obtained by the reaction of a natural oil or fat with an alkanolamine in a mole ratio of the natural oil or fat to the alkanolamine of products is in the range from 1:0.1 to 1:3,, wherein the amount of the alkylene oxide is in the range from 100 parts by weight to 1000 parts by weight based on 100 parts by weight of the mixture of products, provides pulp having higher degree of whiteness and less residual ink and problems caused by pitch than pulp prepared by a corresponding floatation method which employs a conventional deinking agent.

    摘要翻译: 用于废纸再生的浮选方法使用环氧烷与天然油或脂肪与天然油或脂肪的摩尔比与烷醇胺反应获得的产物的混合物的反应产物作为脱墨剂,以天然油或脂肪的摩尔比与 产物的链烷醇胺的范围为1:0.1至1:3,其中基于100重量份的产物混合物,烯化氧的量在100重量份至1000重量份的范围内 提供了具有较高白度和较少残留墨水的纸浆以及由采用常规脱墨剂的相应漂浮方法制备的沥青引起的问题。

    Deinking of xerographic printed wastepaper using long chain alcohol
    102.
    发明授权
    Deinking of xerographic printed wastepaper using long chain alcohol 失效
    使用长链醇脱墨印刷废纸

    公开(公告)号:US5500082A

    公开(公告)日:1996-03-19

    申请号:US54179

    申请日:1993-04-26

    IPC分类号: D21C5/02

    摘要: Disclosed is a method of removing ink from xerographically printed paper. The method comprises pulping said printed paper in an aqueous slurry at a non-acidic pH to a consistency of about 8% or less. Next, added to the pulp slurry is a sufficient amount of long chain alcohol, the long chain alcohol having a melting point above room temperature, for a time sufficient with heating at a temperature sufficient, whereby an agglomeration of long chain alcohol and ink particles is formed. Next, the heating is stopped whereby the agglomeration solidifies into particles that settle to the bottom of the pulp slurry. Then, the agglomeration of solidified particles is removed from the pulp slurry thereby leaving a remaining slurry of deinked paper fiber and water. Optionally, the remaining slurry is subjected to flotation to remove substantially any remaining minute ink left particles behind after the agglomeration.

    摘要翻译: 公开了从静电印刷纸上去除油墨的方法。 该方法包括将所述印刷纸在非酸性pH下的含水浆料中制浆至约8%或更低的稠度。 接下来,向纸浆中加入足量的长链醇,长链醇的熔点高于室温,时间足以在足够的温度下加热,由此长链醇和油墨颗粒的聚集是 形成。 接下来,停止加热,由此附聚固化成沉降到纸浆浆料底部的颗粒。 然后,从纸浆中除去固化颗粒的附聚物,从而留下脱墨纸纤维和水的剩余浆液。 任选地,将剩余的浆料进行浮选以在凝聚后基本上除去任何残留的微量墨留下的颗粒。

    Use of dispersion polymers for coated broke treatment
    103.
    发明授权
    Use of dispersion polymers for coated broke treatment 失效
    使用分散体聚合物进行涂层断裂处理

    公开(公告)号:US5466338A

    公开(公告)日:1995-11-14

    申请号:US153506

    申请日:1993-11-17

    申请人: Jon E. Pearson

    发明人: Jon E. Pearson

    摘要: A process for treating a re-pulped coated broke slurry comprising the addition of a water-soluble polymer dispersion, the water-soluble polymer is formed by polymerizing a water-soluble mixture which comprises: (a) a first cationic monomer represented by the following formula (I): ##STR1## and/or a second cationic monomer represented by the following general formula (II): ##STR2## and (b) (meth)acrylamide in an aqueous solution of a polyvalent anion salt, wherein the polymerization is carried out in the presence of either an organic high-molecular multivalent cation comprising a water-soluble polymer containing at least one monomer of formula (II) or an alkyl ester of acrylic acid.

    摘要翻译: 一种用于处理包含加入水溶性聚合物分散体的再制浆的涂布的破碎浆料的方法,所述水溶性聚合物通过聚合水溶性混合物而形成,所述水溶性混合物包含:(a)由下列物质表示的第一阳离子单体 式(I):< IMAGE>(I)和/或由以下通式(II)表示的第二阳离子单体:在多价阴离子的水溶液中的图像(II)和(b)(甲基) 盐,其中聚合在包含含有至少一个式(II)单体的水溶性聚合物的有机高分子多价阳离子或丙烯酸烷基酯的存在下进行。

    Method of deinking waste paper for reclamation thereof
    104.
    发明授权
    Method of deinking waste paper for reclamation thereof 失效
    废纸的脱墨方法

    公开(公告)号:US5460695A

    公开(公告)日:1995-10-24

    申请号:US257920

    申请日:1994-06-10

    申请人: Yasuo Kato

    发明人: Yasuo Kato

    IPC分类号: D21C5/02

    CPC分类号: D21C5/027 Y02W30/648

    摘要: A method of deinking waste paper for reclamation thereof, which comprises disintegrating waste paper with an alkali in water in the presence of a polyoxyalkylene ether compound having the formulaR-O(PO)x(AO)y(PO)z-Hwherein R is an alkyl or alkenyl of 8-22 carbons, or an alkylphenyl wherein the alkyl has 4-12 carbons; PO is an oxypropylene group; and AO is an oxyethylene group, or a mixed oxyalkylene group composed of an oxyethylene group and at least one oxyalkylene group selected from the group consisting of an oxypropylene group and an oxybutylene group: and x is a numeral of 3-15, y is a numeral of 20-40, and z is a numeral of 5-20, in an amount effective as a deinking agent.

    摘要翻译: 一种用于回收废纸的脱墨方法,其包括在具有式RO(PO)x(AO)y(PO)zH的聚氧化烯醚化合物的存在下,用水中的碱分解废纸,其中R是烷基或 8-22个碳的链烯基或其烷基具有4-12个碳原子的烷基苯基; PO是氧化丙烯基; AO是氧化乙烯基,或由氧亚乙基和至少一个选自氧丙烯基和氧基丁烯基的氧化烯基组成的混合氧化烯基,x为3-15的数,y为 数字为20-40,z为5-20,数字作为脱墨剂有效。

    Bleaching of deinked paper/wood pulp
    105.
    发明授权
    Bleaching of deinked paper/wood pulp 失效
    脱墨纸/木浆漂白

    公开(公告)号:US5449436A

    公开(公告)日:1995-09-12

    申请号:US26215

    申请日:1993-03-01

    IPC分类号: D21C5/02 D21C9/10 D21C9/16

    摘要: Deinked paper/wood pulps are improvedly bleached to high levels of whiteness by conjointly treating such pulps with a sulfite bleaching agent, e.g., Na.sub.2 SO.sub.3, NaHSO.sub.3 or mixture thereof, or SO.sub.2 and NaOH, and a reducing agent more electronegative than the sulfite ion, e.g., thiourea dioxide, sodium borohydride or sodium dithionite, in a reaction medium having an initial pH ranging from 6 to 12, advantageously followed by washing sulfite and reducing agent values from the bleached pulp and then treating the washed pulp with hydrogen peroxide in an aqueous alkaline medium.

    摘要翻译: 通过用亚硫酸盐漂白剂(例如Na 2 SO 3,NaHSO 3或其混合物)或SO 2和NaOH联合处理这种纸浆,以及比亚硫酸盐离子更具电负性的还原剂,将脱墨的纸/木纸浆漂白至高白度。 ,二氧化硫脲,硼氢化钠或连二亚硫酸钠,在初始pH范围为6至12的反应介质中,有利地随后从漂白的纸浆中洗涤亚硫酸盐和还原剂值,然后用碱性水溶液中的过氧化氢处理洗涤过的纸浆 中。

    Method of removing fine contaminants from used paper fibre material
    108.
    发明授权
    Method of removing fine contaminants from used paper fibre material 失效
    从废纸纤维材料中除去细小污染物的方法

    公开(公告)号:US5417806A

    公开(公告)日:1995-05-23

    申请号:US963404

    申请日:1992-10-19

    IPC分类号: D21B1/32 D21C5/02

    摘要: A method of removing fine contaminants from waste paper fibrous material (S) is described with solution (1) and pre cleaning (2) whereupon the fibrous material is first subjected to a washing treatment (3) and then to a flotation treatment (5). The washing filtrate (12) from the washing treatment (3) is cleaned in a filtrate-flotation treatment (4) so that a cleaned fraction (14) can be returned into the useful material (13) of the washing treatment. The so cleaned waste paper fibrous material can be passed to further treatment steps such as flotation, bleaching and/or dispersion. The reject material from the filtrate-flotation (4) is, in one embodiment, again subjected to a flotation treatment.

    摘要翻译: 用溶液(1)和预清洗(2)描述从废纸纤维材料(S)中去除细污染物的方法,然后纤维材料首先进行洗涤处理(3),然后进行浮选处理(5) 。 在滤液浮选处理(4)中清洗来自洗涤处理(3)的洗涤滤液(12),使得清洗的部分(14)能够返回到洗涤处理的有用材料(13)中。 如此清洁的废纸纤维材料可以通过进一步的处理步骤,例如浮选,漂白和/或分散。 在一个实施方案中,来自滤液浮选(4)的废料再次进行浮选处理。

    Deinking wastepaper printed with oil-based ink
    110.
    发明授权
    Deinking wastepaper printed with oil-based ink 失效
    脱墨废纸用油墨印刷

    公开(公告)号:US5385639A

    公开(公告)日:1995-01-31

    申请号:US113549

    申请日:1993-08-27

    IPC分类号: D21C5/02

    CPC分类号: D21C5/027 Y02W30/648

    摘要: A process is disclosed for deinking pulp which has been made from paper printed with oil based ink. The process uses a surfactant component with and at least one alkoxylated diamine selected from Formula I: ##STR1## where X, Y, W and Z may be alike or different and are each independently selected from the group consisting of(i) --(CH.sub.2 --CH(CH.sub.3)--O).sub.a (CH.sub.2 --CH.sub.2 --O).sub.b --;(ii) --(CH.sub.2 --CH.sub.2)--O).sub.c (CH.sub.2 --CH(CH.sub.3)--O).sub.d --; and(iii) random copolymers of ethylene oxide and propylene oxide,wherein a, b, c and d are each selected independently to be a number between 1 and 30 so as to give an HLB value between 5-15.

    摘要翻译: 公开了一种由用油基油墨印刷的纸制成的脱墨纸浆的方法。 该方法使用具有选自式I的至少一种烷氧基化二胺的表面活性剂组分:其中X,Y,W和Z可以相同或不同,并且各自独立地选自(i) - (CH 2 -CH(CH 3)-O)a(CH 2 -CH 2 -O)b - ; (ⅱ) - (CH 2 -CH 2)-O)c(CH 2 -CH(CH 3)-O)d - ; 和(iii)环氧乙烷和环氧丙烷的无规共聚物,其中a,b,c和d各自独立地选自1至30之间的数字,以使得HLB值在5-15之间。