How to control and eliminate the "white pollution" has become a hot topic in the study of environmental protection. To this end, many developed countries and regions have already enacted laws and regulations in a few years ago, the prohibition of the use of plastic products packaging food, and began to study alternatives. Scientific and technological personnel in Italy Province, Japan, USA, Austria, Taiwan and province have developed a new type of packaging material which has no poison, harmless, and can be completely degraded or recycled. The most widely used alternative is paper tableware.I like using light purple paper straws at the party.
1 made of plant materials
The starch and grain shell and rice straw, corn stalk, bagasse, etc. plant material produced by the fast food tableware, has completely dissolved and non-toxic harmless, no carcinogenic substances, not only can rot in the natural environment, also can be used as edible organic fertilizers and animal feed, on the environment without any pollution. But the research has not yet achieved scale production.
2 the main components of starch can be degraded by the use of different types of biodegradable, and can be divided into biodegradable tableware and light. Two kinds of biodegradable tableware.
Biological degradation tableware is made of common starch in the polyethylene and polystyrene materials, with the aid of additives, and mixed with a certain amount of starch. The tableware after discarding, under natural conditions is environment consumptive can achieve three-stage degradation: one is microbial phagocytic degradation; the second is swallowed up by lower animals, insects and so on; the third is the oxidant crack damage layer, shedding until broken, powder, and disappeared by the, the whole degradation process takes about 300 days or so.
The photo - biological double - degradation tableware is made of 40% or more of the starch, 10% of the light thermal power, and the polymer material is less than 50%. Use of lunch boxes made of this material, the starch months within the natural decomposition, remaining poly hydrocarbon in light, heat, electricity reminder agent down within a year can be decomposed into water and carbon dioxide, decomposition rates up to 100%.
As the main ingredient of starch can be the main component of the degradation of starch and additives in the tableware and the polymer material does not change the chemical reaction, so the nature of the plastic has not changed. The difference between ordinary plastic foam and fast food boxes is that it is broken only by the use of starch. So, it is only the degradation of the plastic used in agricultural plastic film, garbage and other non food items, etc.. In addition, the degradable tableware appearance and the existing foam lunch boxes, easily lead to genuine, thus causing difficulties for the management and supervision.
3 paper tableware
Paper tableware according to the different production methods, can also be divided into pulp molding tableware and cutlery coated cardboard. Has the appearance of plasticity, the source of raw materials wide (straw, wood pulp, bamboo pulp, reed pulp), low production cost, its biggest characteristic is may, according to different levels of consumption determine choice of raw material and processing technology: for the use of export and senior hotel of high-end meal can be imported high-grade wood pulp production, consumption is generally mid-range tableware available common wood pulp, and use a lot of common fast with is available reed pulp, white edge, such as.
In order to protect our environment, we should always learn to use paper tableware in the party, Igotoshop mall to provide a variety of party supplies wholesale.
More reading:
Party Supplies Wholesale
No comments:
Post a Comment