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2018-09-12150碟子
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2018-09-13一次性環保餐具-碟子
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2018-09-14一次性可降解餐具-270ml碗
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生物降解材料擠出造粒的外觀如何
你知道生物降解材料擠出造粒的外觀如何嗎?實際上要了解這個問題,我們可以從3個方面來進行講解:
Do you know the appearance of extrusion granulation of biodegradable materials? In fact, to understand this problem, we can explain it from three aspects:
1.生物降解顆粒兩端的有孔問題:
1. Porosity at both ends of biodegradable particles:
兩端都有孔:說明料里含的低分子物質戒水份較多,真空排氣沒抽干凈戒原料含的低分子戒水成分較多。
There are holes at both ends: it indicates that the material contains more low molecular weight water repellent substances, and the vacuum exhaust is not clean. The material contains more low molecular weight water repellent substances.
只有一端有孔:說明料里含的低分子物質戒水份較少,沒有嚴格要求時可以接受。
Only one end has holes: it indicates that the low molecular substances in the material contain less water repellent, which can be accepted without strict requirements.
解決:前處理(干燥、密封等);加強真空排氣(同時要考慮到螺桿設計);提高水槽溫度。
Solution: pretreatment (drying, sealing, etc.); Strengthen the vacuum exhaust (at the same time, consider the screw design); Raise the temperature of the sink.
2.生物降解顆粒發泡:
2. Biodegradable particle foaming:
出現多個孔,或者表面粗糙真空度不夠;溫度過高,原料成分的分解等。 原料含水分過高; 原料(較差的副牌料)不耐溫或成分使用不當,相互間化學反應而發。
Multiple holes appear, or the surface roughness and vacuum degree are insufficient; High temperature, decomposition of raw materials, etc. The moisture content of raw materials is too high; The raw materials (poor sub brand materials) are not temperature resistant or the ingredients are improperly used, resulting from chemical reactions between them.
![生物降解顆粒](/uploadfile/2022/1223/20221223015654495.jpg)
![生物降解顆粒](/uploadfile/2022/1223/20221223015654495.jpg)
3.顆粒表面光滑平整問題:
3. The particle surface is smooth and flat:
顆粒表面光滑平整,要看所用的原材料的成分——玻纖、 無機礦物、表面較粗燥的阻燃劑等物質。但相比對下, 同個料批次有差異,原因有:
The particle surface is smooth and flat, depending on the composition of the raw materials used - glass fiber, inorganic minerals, flame retardants with rough and dry surfaces, etc. However, there are differences in the same material batch compared with the following reasons:
① 塑化混煉不好,交叉分布不夠細加工溫度不夠,塑化不好;② 機器問題,如模孔不平整、不夠光滑等;③ 原料成分間相容性不好(也包括色粉色母在內),出現分層、析出等。
① Poor plasticizing and mixing, insufficient cross distribution, insufficient fine processing temperature, poor plasticizing; ② Machine problems, such as uneven die holes and insufficient smoothness; ③ The compatibility between raw material components is not good (including pink mother), and delamination and precipitation occur.
以上就是對問題的解答了,您有什么想法或者需求,可以隨時來我們網站http://tecnoleo.com進行咨詢了解!
The above is the answer to the question. If you have any ideas or needs, you can come to our website at any time http://tecnoleo.com Ask about it!
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