Production equipment and technology of plastic-free tableware packaging paper

A technology for production equipment and packaging paper, applied in the field of papermaking, can solve the problems of difficult disposal of plastic waste, waste of resources, and refractory plastic degradation, and achieve the effects of wide application range of PH value, optimized product structure, and high failure rate.
CN111663362AActive Publication Date: 2020-09-15湖南得凯纸业有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
湖南得凯纸业有限公司
Publication Date
2020-09-15

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Abstract

The invention discloses production equipment and technology of plastic-free tableware packaging paper, and belong to the technical field of papermaking. The technology comprises the following processsteps: mixing and pulping softwood pulp, hardwood pulp and bleached bamboo pulp, blending pulp, adding auxiliary materials, making wet paper sheets, pre-drying, coating and sizing (PVA), post-drying and the like. The qualified plastic-free tableware packaging paper is manufactured by researching pulp selection, pulp proportioning, a pulping process, functional chemical additives added into pulp and the like and adopting in-machine film transfer surface sizing treatment. The one-time formed plastic-free tableware packaging paper has the advantages of being low in comprehensive cost, high in competitiveness, environmentally friendly, easy to recycle and the like, trial-produced products are put into the market to be highly evaluated by users, and economic, environmental and social benefits are quite remarkable.
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Description

technical field

[0001] The invention relates to the technical field of papermaking, in particular to a production equipment and process for plastic-free tableware wrapping paper. Background technique

[0002] Plastic-free tableware wrapping paper is a kind of food-grade packaging paper. For a long time, disposable chopsticks, spoons, straws, toothpicks, and tableware packaging have used a large number of plastic OPP and paper-plastic composite products. Difficult to dispose of, plastic packaging is widely used for tableware, which is easy to cause waste of resources and environmental pollution. Disposable plastic tableware and its discarded packaging are currently one of the main sources of "white pollution". The invention or development of plastic-free tableware wrapping paper is the general trend. It is mainly used to make disposable chopsticks, spoons, straws, toothpicks, and cutlery bags, etc. as substitutes for OPP and paper-plastic composite products, and to develop bi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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