• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A paper for packing purposes, particularly for use in the manufacture of corrugated cardboard, is made from waste paper and afforded good strength and finish by a surface sizing with gelatinized starch from cereals and/or tubers and/or roots together with proteins contained in these materials after dispersion or solution. The sizing may consist of gelatinized starch and cereal proteins of a normal commercial wheat and, if required, a small addition of an oxidizing agent, e.g., ammonium persulphate. Fibrous material separated from the gelatinized starch may be added to the waste paper constituent.
    公开号:SU931113A3
    申请号:SU792790404
    申请日:1979-07-26
    公开日:1982-05-23
    发明作者:Йозеф Цукер Фридрих
    申请人:за витель Иностранец Фридрих Йозеф Цукер (ФРГ) () УПАКОВОЧНАЯ БУМАГА И СПОСОБ Изобретение относитс к целлюлозно-бумажной промышленности, в частности к изготовлению упаковочной бумаги дл гофрированного картона. Наиболее близкой к предлагаемой по технической сущности и достигаемому эффекту вл етс упак；
    IPC主号:
    专利说明:

    39 laziness of corrugated cardboard, which includes the steps of cleaning sorted and / or unsorted waste paper, preparing pulp from purified waste paper using water, grinding, pouring a continuous paper web, pre-drying after dehydrating it, surface sizing paper starch-containing glue and additional drying, provides for surface Paper web blending with a gelatinized starch and protein based product obtained by grinding wheat , rut or cassava roots, cleaning, mixing with water, grinding, steaming the resulting mixture with steam at 50120 C and pressure of 1.6 bar with stirring, followed by separation by sieving or centrifuging of insoluble fiber, served in the pulp before grinding. Moreover, during the grinding of wheat, taro roots or manioc, ammonium sulfate may be added in the amount of 0.5-2. Ammonium supersulfate serves to reduce the viscosity of the glue. Example 1. 30 kg of wheat are mixed with 70 kg of water and the resulting pulp is subjected to grinding and thermal gelatisation with steam at 120 ° C and a pressure of 1.6 bar. At the same time, starch and proteins are transferred to the solvent, and insoluble material is sifted out. 3.6 kg of insoluble material and 96 kg of glue containing gelatinized starch and proteins are obtained. I Example 2. Example 1 is repeated with the difference that the thermal gelatinization is carried out at 50 ° C and the insoluble material is separated by centrifugation. In this way, 3.2 kg of insoluble material and 9b, 8 kg of glue containing gelatinized starch and protees are obtained. Example 3. Example 1 is repeated, with the difference that taro roots are subjected to thermal gelatinization. You get k, 2 kg of non-soluble material and 95.8 kg of glue containing gelatinized starch and proteins. 4 P - p and me. Example 1 is repeated with the difference that cassava roots are subjected to thermal gelatinization. You get 3.9 kg of insoluble material and 96.1 kg of glue containing gelatinized starch and proteins. Example 5. Example 1 is repeated, with the difference that the gelatinization is carried out in the presence of 0.5 and 2.0% of the oxidizing agent — ammonium persulfate. In both cases, 9b, kg of glue containing sterilized oxidative starch and proteins glue is obtained. Example 6: Wrapping paper was made from waste paper. The manufacturing process involves the cleaning of sorted and / or unsorted waste paper, the preparation of purified waste paper pulp using water, grinding the pulp, to which 2% of the paper weight of fibrous material from wheat, obtained as in Example 1, and the continuous sheet casting are added which, after preliminary drying, is subjected to surface sizing with a product containing gelatinized starch and wheat proteins, obtained as in Example 1, and subsequent drying. The resulting paper has the following characteristics: Weight, Amount of glue, g / m 8 Squeezing force, bar, 1 Compressive strength according to the standard of Germany. DIN 53 280 Denychny pluckability 12 Resistance of deformation SHRIM according to the standard of Germany. DIN, kgf / cm 23 Example 7. Repeat Example 6 with the difference that 5 of the weight of paper of fibrous material from wheat, obtained as in Example 1, is added to the pulp. The paper has the same characteristics as in Example 6. Example 8. Repeat Example 6 with the difference: that surface sizing is carried out with water,
    containing gelatinized starch and taro root proteins (as in example 3) or gelatinized starch and cassava proteins (as in the example). The paper obtained in both cases has the same characteristic as in Example 6.
    Example 9- Example 7 is repeated with the difference that insoluble material and taro roots (according to example 3) or cassava roots (according to example 4) are added to the pulp. In this case, both insoluble materials are added in an amount of 0.2 and 5% by weight of the paper.
    The paper obtained in all cases has the same characteristics as the paper of Example 6.
    Example 10. Example 6 is repeated with the difference that the surface sizing is carried out with a product containing gelatinized oxidized starch and wheat proteins, obtained as in Example 5 The resulting paper has the same characteristic as in Example 6.
    The invention makes it possible to produce neck wrapping paper, in particular for the manufacture of corrugated cardboard, with good strength.
    权利要求:
    Claims (3)
    [1]
    1. Wrapping paper, mainly for the manufacture of corrugated cardboard, consisting of a base containing sorted and / or unsorted waste paper, and a surface layer made of starch-containing glue, so as to reduce the cost of paper while maintaining strength, the basis do31113
    additionally contains 2-5 May .; a fibrous material made from wheat, taro roots or cassava, and as a starch-containing glue, a product based on gelatinized starch and proteins, obtained from wheat, taro roots or cassava, is used to disperse or dissolve.
    [2]
    2. The method of receiving-packing
    10 of paper according to claim 1, which includes the stages of cleaning sorted and / or unsorted waste paper, preparing pulp from purified waste paper
    15 using water, grinding, casting a continuous paper web, pre-drying after dewatering it, surface sizing of the paper web with starch containing glue and additional drying, characterized in that the surface sizing of the paper web is carried out with a gelatinized starch based product
    25 and proteins obtained by grinding wheat, taro roots or cassava, cleaning, mixing with water, grinding, treating the mixture with steam at a temperature of 50-120 ° C and a pressure of 1.6 bar with mixing, followed by separation by sifting or centrifuging insoluble fibrous material In an amount of 2–5 wt.%, it is fed into the pulp before grinding.
    [3]
    3. A method according to claim 2, characterized in that during the wheat seed rumol, taro roots or cassava 0.5-2-2 ammonium nonsulfate is added.
    Sources of information taken into account in the examination
    1. Swiss patent number 58227, 5 cl. D 21 D 3/00, 1976 (prototype).
    类似技术:
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    同族专利:
    公开号 | 公开日
    IT1122187B|1986-04-23|
    FR2433613B3|1981-06-12|
    SE7906280L|1980-01-30|
    DE2833452C2|1982-03-11|
    CA1103968A|1981-06-30|
    ATA473279A|1983-09-15|
    AU4899279A|1980-01-31|
    JPS5522095A|1980-02-16|
    FR2433613A1|1980-03-14|
    DE2833452A1|1980-02-07|
    NL7905703A|1980-01-31|
    IT7924367D0|1979-07-16|
    GB2026571B|1983-06-15|
    DK317779A|1980-01-30|
    GB2026571A|1980-02-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE370421C|1920-06-23|1923-03-02|Verwertung Inlaendischer Produ|Process for making paper|
    GB1282551A|1968-06-04|1972-07-19|Saloman Neumann|A process for the manufacture of sheet material|
    US3859108A|1971-05-07|1975-01-07|Lawrence Paper Co|Flour based paper size|
    US3808089A|1971-08-17|1974-04-30|Wright Chem Corp|Process and composition for manufacturing top liner and the like from printed and coated stock|
    GB1423253A|1972-05-17|1976-02-04|Isovolta|Process for the manufacture of a paper fluting or cardboardand products manufactured by the process|
    CH566445A5|1974-01-31|1975-09-15|Bonda Ernst|Re-using waste-paper cellulose - for printed or unprinted wrapping-material, e.g. letter-envelopes|JPS626997A|1985-06-29|1987-01-13|Kanzaki Paper Mfg Co Ltd|Production of paper|
    AU629739B2|1990-03-20|1992-10-08|Green Bay Packaging Inc.|Multiple ply paperboard product and method of making the same|
    CA2061338A1|1991-02-21|1992-08-22|Roger P. Hoffman|Multiple ply paper product containing and outer ply of reclaimed white office waste and method of making the product|
    US5061345A|1991-02-21|1991-10-29|Green Bay Packaging Inc.|Method of making a multiple ply paper product containing an outer ply of reclaimed white office waste|
    US5055161A|1991-02-21|1991-10-08|Green Bay Packaging Inc.|Multiple ply paper product containing an outer ply of reclaimed white office waste|
    GB9307545D0|1993-04-13|1993-06-02|British United Shoe Machinery|Carrier strap for a container|
    DE4344139C2|1993-12-23|1997-08-07|Inst Getreideverarbeitung|Process for the production of paper, cardboard and cardboard with improved performance properties|
    DE19530917A1|1995-08-23|1997-02-27|Verena Wolff|Wallpaper paste|
    FI108241B|2000-08-10|2001-12-14|Metso Paper Inc|Process for the manufacture of coated fiber web, improved paper or paperboard machine and coated paper or paperboard|
    ZA200508493B|2003-03-21|2006-12-27|Weston Foods Ltd|Coating compositions|
    FI124202B|2012-02-22|2014-04-30|Kemira Oyj|Process for improvement of recycled fiber material utilizing the manufacturing process of paper or paperboard|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19782833452|DE2833452C2|1978-07-29|1978-07-29|Process for the manufacture of paper for packaging purposes, in particular for the manufacture of corrugated cardboard|
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