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Technical Points for Producing Recycled Shopping Bag Paper with Waste Paper
1. For general dry goods, it is recommended to use the entire US waste or European waste, and control the production of base paper according to the A or B grade kraft board paper index. The surface layer can be noodles or noodles, according to whether or not to print complex patterns. The quantification of the paper sheet can be 135~150g/m2. The 25*20*15cm paper bag can bear a weight of 8~15kg.
2. For the goods that need to withstand a certain amount of moisture, all waste paper can also be used. Only on the basis of the above criteria, add a certain wet strength agent of 0.5 to 1.0% and a wet strength of 10 to 15% of the dry strength.
Technical Points for Producing Recycled Shopping Bag Paper with Waste Paper
3. For meat or other wet goods, it is also possible to use all waste paper for shopping bags. This requires adding or surface-applying an environmentally-friendly oil-repellent agent to the slurry during the papermaking process. It is also possible to use a secondary spray with a good surface strength on the Kraft board paper for water-soluble or degradable type.
4. Many manufacturers in the Chinese mainland have already developed waste paper jammed paper. That is, during papermaking, a water soluble yarn is added by a combination of two layers of pulp. This layer of paper can achieve the strength of four layers of kraft paper and can completely replace the ordinary paper bags. Similarly, single-layer paper can be used on shopping bags.
Technical Points for Producing Recycled Shopping Bag Paper with Waste Paper
5. These products are safe and environmentally friendly.
Plastic shopping bags are consumables in everyday life and China consumes a lot of plastic shopping bags every year. In order to provide convenience, shopping bags also cause serious waste of energy resources and environmental pollution due to excessive use and recycling. In particular, ultra-thin plastic shopping bags are easily damaged and are mostly discarded at random, becoming the main source of "". At present, more and more countries and regions have restricted the production, sales, and use of plastic shopping bags. To implement the concept of development and build a resource-conserving and environment-friendly society, we must take effective measures at the source to urge enterprises to produce durable, easy-to-recycle plastic shopping bags, guide and encourage people to use plastic shopping bags rationally, and promote the comprehensive utilization of resources and protection. Ecological environment, and further promote energy-saving emission reduction work.
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