可降解环保餐具的材料有哪些？

Rice fiber tableware refers to a disposable degradable environmental protection tableware made of rice fiber as the main material and different adhesives and auxiliary materials. Most of these tableware take rice husk agricultural materials as the main materials (such as bagasse, rice husk, cassava straw, wheat straw, etc.), which not only reduces the air pollution caused by burning straw and improves the added value of rice, but also conforms to the principle of circular economy and does not cause new environmental pollution after use. Therefore, rice fiber tableware is a new tableware with strong environmental protection and high value.

稻谷纤维餐具的分类标准主按所选胶粘剂之不同∶主要使用的胶粘剂有合成胶粘剂（如塑料，树脂）、胶粘剂（如淀粉，纤维素）和无机胶粘剂（如石膏）等几大类。

The classification standard of rice fiber tableware is mainly based on the different adhesives selected: the main adhesives used include synthetic adhesives (such as plastic and resin), adhesives (such as starch and cellulose) and inorganic adhesives (such as gypsum).

一次性可降解环保餐具产品对于所制材料的要求相当高，要有较强的化学稳定性与适宜的强度，以保持使用方便和使用人员的健康。

Disposable degradable environment-friendly tableware products have high requirements for the prepared materials, which should have strong chemical stability and appropriate strength, so as to maintain the convenience of use and the health of users.

该稻谷纤维餐具的生产方法，选用了化学稳定性较好、有着较高的强度和光泽度、且没损害的氨基树脂作主胶粘剂，以有加强、增量以及成型辅助的作用、能减少成本和增进产品性能的变性淀粉和用作增韧剂和内增塑剂、改进餐具强度指标的聚乙，烯醇缩工醛为助胶粘剂。

In the production method of rice fiber tableware, amino resin with good chemical stability, high strength and gloss and no damage is selected as the main adhesive, modified starch with strengthening, increment and forming assistance, reducing cost and improving product performance, and polyethylene used as toughening agent and internal plasticizer to improve the strength index of tableware, Enol acetal was used as co adhesive.

若对氨基树脂进行改性，控制氨基树脂的固含量与交联度，还可进一步提升胶粘剂的性能，只要较少比例的胶粘剂便可符合餐具卫生的指标要求。

If the amino resin is modified and the solid content and crosslinking degree of the amino resin are controlled, the performance of the adhesive can be further improved. As long as a small proportion of the adhesive can meet the hygienic index requirements of tableware.

在原材料的加工方法上，采用了捏合混炼技术，利用齿轮较强的挤压力与剪切力，完成胶粘剂和稻谷纤维的混合，使其组成一体。

In the processing method of raw materials, kneading and mixing technology is adopted to complete the mixing of adhesive and rice fiber by using the strong extrusion force and shear force of gear.

有实验结果证明∶原料经过捏合混炼所生产的一次性可降解环保餐具，能良好的将胶粘剂和植物纤维间的分裂相转变成为连续相，比原材料未经过捏合混炼所产的一次性餐具，产品的均匀性高一些，前者可整体符合相关标准，后者卫生指标会过标，混炼后的原材料便可送成型处成型。

The experimental results show that the disposable degradable environment-friendly tableware produced by kneading and mixing of raw materials can well transform the split phase between adhesive and plant fiber into continuous phase. The uniformity of the product is higher than that of the disposable tableware produced by raw materials without kneading and mixing. The former can meet the relevant standards as a whole, and the hygiene index of the latter will pass the standard, The raw materials after mixing can be sent to the molding place for molding.

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