Food safety is a concept that covers a wide range, including the safety of the food itself (such as raw materials and auxiliary materials, additives, etc.), the safety of the food production field (such as the sanitary conditions in the production and processing fields), the health of the operators, and the health and safety of the supporting production equipment, etc.), The safety of the circulation field (such as the storage and transportation of food) and the safety of food packaging materials are some important factors. If the packaging material is not safe, it is difficult to say that the food is safe.

從包裝材料的性的角度來(lái)看，包裝材料的衛(wèi)生不能達(dá)到標(biāo)準(zhǔn)。材料中有害物質(zhì)的遷移將影響食品并導(dǎo)致食品不。隨著轉(zhuǎn)換技術(shù)的發(fā)展，新的包裝技術(shù)也給食品帶來(lái)了挑戰(zhàn)，因此食品包裝材料的性也應(yīng)得到認(rèn)可。具體來(lái)說(shuō)，塑料包裝材料的衛(wèi)生和有幾個(gè)基本要求：

From the perspective of the safety of packaging materials, the hygiene of packaging materials cannot meet the standard. The migration of harmful substances in materials will affect food and lead to food insecurity. With the development of conversion technology, new packaging technology has also brought challenges to food safety, so the safety of food packaging materials should also be recognized. Specifically, there are several basic requirements for the health and safety of plastic packaging materials:

1.塑料用基礎(chǔ)樹(shù)脂

1. Basic resin for plastics

食品包裝中使用的塑料基質(zhì)樹(shù)脂是一種高分子材料。如果是純塑料聚合物材料，它將不會(huì)被人體吸收并產(chǎn)生毒性作用。但是，如果在塑料中發(fā)現(xiàn)一些有毒有害的“雜質(zhì)”，則單體或低分子量將保留在塑料中，并且其相對(duì)分子量相對(duì)較小，或多或少有毒。這些小分子單體在使用時(shí)會(huì)遷移到食物中，沉積在體內(nèi)并在一定程度上積累，這會(huì)對(duì)人體造成不良影響，即毒性作用。通常，如果單體不純并且對(duì)人體有害的催化劑超過(guò)標(biāo)準(zhǔn)，則樹(shù)脂將轉(zhuǎn)化為“有毒有害物質(zhì)”，這可能導(dǎo)致塑料包裝材料的良好健康和性喪失。因此，在GB 4806系列標(biāo)準(zhǔn)和各國(guó)有關(guān)法律法規(guī)中，規(guī)定了每種材料中單體的大殘留量，生產(chǎn)企業(yè)的使用符合GB 4806.6-2016《食品標(biāo)準(zhǔn)塑料》的要求。用于食品接觸的樹(shù)脂”，以塑料包裝原料的風(fēng)險(xiǎn)。

The plastic matrix resin used in food packaging is a kind of polymer material. If it is a pure plastic polymer material, it will not be absorbed by the human body and produce toxic effects. However, if some toxic and harmful "impurities" are found in the plastic, the monomer or low molecular weight will remain in the plastic, and its relative molecular weight is relatively small, more or less toxic. These small molecular monomers will migrate to food when used, deposit in the body and accumulate to a certain extent, which will cause adverse effects on human body, namely toxic effects. Generally, if the monomer is impure and the catalyst harmful to human body exceeds the standard, the resin will be converted into "toxic and harmful substances", which may lead to the loss of good health and safety of plastic packaging materials. Therefore, in the GB 4806 series of national standards and relevant national laws and regulations, the large residual amount of monomer in each material is specified, and the use of the production enterprise conforms to the requirements of GB 4806.6-2016 National Food Safety Standard Plastics. Resin used for food contact "to eliminate the risk of plastic packaging materials.

2.塑料添加劑（添加劑）

2. Plastic additives (additives)

通常，我們使用的塑料包裝材料通常包含基于聚合物樹(shù)脂的復(fù)合材料。除聚合物樹(shù)脂外，還有許多添加劑，也稱為添加劑。如果添加劑是有毒有害物質(zhì)，并且其含量超過(guò)塑料產(chǎn)品衛(wèi)生標(biāo)準(zhǔn)的允許值，則該塑料是不適合與食品接觸的“有毒有害”塑料產(chǎn)品。

Generally, the plastic packaging materials we use usually include composite materials based on polymer resin. In addition to polymer resin, there are many additives, also known as additives. If the additive is a toxic and harmful substance and its content exceeds the allowable value of the hygienic standard for plastic products, the plastic is not suitable for contact with food as a "toxic and harmful" plastic product.

有增塑劑，抗氧化劑，穩(wěn)定劑，潤(rùn)滑劑，抗靜電劑等。這些添加劑可能遷移到食品中并可能影響食品。

There are plasticizers, antioxidants, stabilizers, lubricants, antistatic agents, etc. These additives may migrate into food and may affect food safety.

如：增塑劑：一般也稱為增塑劑。增塑劑是一種工業(yè)上廣泛使用的高分子材料添加劑。在塑料加工中添加此類材料可以改變塑料加工過(guò)程中的柔韌性并增強(qiáng)其流動(dòng)性，并且使其加工更加容易。增塑劑產(chǎn)品有100多種，但常用的化合物是鄰苯二甲酸酯（或鄰苯二甲酸酯，也稱為取代酯）。但是，這些增塑劑被認(rèn)為是有毒的，不適合用于食品包裝材料。用于食品的塑料包裝材料可以替代低毒性的增塑劑。

For example, plasticizer: also known as plasticizer. Plasticizer is a polymer material additive widely used in industry. Adding such materials in plastic processing can change the flexibility and enhance the fluidity of plastic processing, and make it easier to process. There are more than 100 kinds of plasticizer products, but the common compound is phthalate (or phthalate, also known as substituted ester). However, these plasticizers are considered toxic and are not suitable for food packaging materials. Plastic packaging materials used for food can replace plasticizers with low toxicity.

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