Paper-plastic composite paperboard and its production process

Patent Name Paper-plastic Composite Cardboard and Production Process Patent Applicant Zhejiang Dongjing Packing Co., Ltd. Principal Applicant Address 325202 No. 1, Dongjing Road, Lishui Section, No. 104 National Road, Wenzhou City, Zhejiang Province Patent Application No. 200510038898.2 Application Date 2005.04. 14 Approval Date Approval Notice No. 1706634 Auditing Notice Date 2005.12.14 Instruction CD-ROM D0550 Main Classification No. B32B3/28 Classification No. B32B3/28; B32B29/00 Division Original Application No. Priority Abstracts This invention relates to a paper/plastic composite Cardboard and its production process. Paper-plastic composite paperboard, including the first paper and the second paper, and there is a plastic sheet between the first paper and the second paper. Its production process is carried out according to the following steps: (1) plastic sheet unwinding, gluing, face paper one and face paper two unwinding; (2) face paper one, plastic sheet, face paper two compound; (3) Drying, indentation; (4) slitting, cross cutting, stacking. The beneficial effect of the present invention is that the composite paper board produced by using this method can reduce the weight of common corrugated cardboard with the same specifications by 30% to 40%, and can save a large amount of wood, and the energy consumption for production is lower than the energy consumption of corrugated board by 1/3-1. /2, the present invention provides an effective measure and product for packaging reduction, forest protection, resource conservation, and environmental pollution reduction. At the same time, this kind of paper-plastic composite board has various properties that ordinary corrugated board does not have, such as resistance to water, moisture, air separation, heat preservation, buffering and anti-counterfeiting, etc., and can be used for special requirements such as refrigerating, freezing and preservation. Sovereign Items 1. Paper-plastic composite paperboard, including face paper and face paper 2. It is characterized by the following: plastic sheet is provided between the first paper and the second paper. International Application International Announcement Date of Entry into the Country Patent Agency Wenzhou Yueyue Patent Agency Co., Ltd. Agency Address Agent Xia Yuguang