美國Acucote推出剝離PET和玻璃容器標籤的黏著劑

撰文者: 塑膠智庫 | 出刊日期:2023-03-06 | 文章編號:XZ2389V6RQ


美國壓感(Pressure-Sensitive)黏著劑(Adhesive)塗料生產商Acucote推出Woff,這是一種可沖洗的水基膠,可從聚對苯二甲酸乙二醇酯(Polyethylene terephthalate, PET)和玻璃容器中,剝離不可回收的標籤材料。


黏著劑不含APEO且可與潔淨薄膜一起使用

當使用鹼性溶液在88℃或更高的水溫下處理容器時,會發生脫膠,回收過程可將標籤、容器和PET薄片乾淨地分開。透過回收流和PET薄片製程,新型黏著劑可用於飲料和家用容器。另外,它不含烷基苯酚聚乙氧基醇(Alkylphenol Ethoxylates, APEO),與潔淨薄膜一起使用時,使產品具備良好的清晰度。


WOff可與不同材料的聚丙烯與聚酯共用

WOff可與2.60mil白色、2mil透明和20mil金屬化的精製聚丙烯(Polypropylene, PP)或聚酯(Polyester)面材組合,為了進一步減少對環境的影響,WOff可以與0.92、1.2或1.5mil的PET襯裡一起使用,這些襯裡的再生成分含量高達50%。


創新的解決方案可以支持永續發展

Acucote表示,品牌擁有者需要創新的解決方案來支持永續發展(Sustainable Development)目標。Acucote的WOff黏著劑目的為減少對環境的影響,並透過分離不可回收的標籤材料來促進循環經濟,與PET或玻璃容器結合使用時,透過將標籤從容器中分離出來,可以得到更純淨的回收品。

參考資料

Acucote, a pressure-sensitive adhesive coating manufacturer, has introduced WOff, a wash off, water-based adhesive allowing debonding of non-recyclable label materials from PET and glass containers.
Debonding occurs when the container is processed utilizing a water temperature of 88 degrees C (190 degrees Fahrenheit) or higher with an alkaline solution. This sink/float recycling process cleanly separates the label from the container and PET flakes.
‘Brand owners are requiring creative solutions to support sustainability goals,’ said Earl Curran, vice president business development at Acucote. ‘Our WOff adhesive was designed to reduce their environmental impact and contribute to a circular economy through the separation of non-recyclable label materials. When used in combination with PET or glass containers, it provides a purer recovery through separation of the label from the container.’
WOff can be paired with 2.6 mil white, 2 mil clear and 2 mil metalized elite polypropylenes or polyester facestocks. To further reduce environmental impacts, WOff can be used with 0.92, 1.2 or 1.5 mil PET liners that are manufactured with up to 50 percent recycled content.
The new adhesive is recommended for beverage and household applications where the container will pass through its recycling stream and the PET flake process. It is APEO-free and offers clarity when used with clear films.

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Acucote, a solutions-oriented pressure-sensitive adhesive coating manufacturer, has introduced WOff, a Wash Off Adhesive. This water-based formula provides debonding of non-recyclable label materials from PET and glass containers - making them recoverable.
Debonding occurs when the container is processed utilizing a water temperature of 88 degrees C/190 degrees fahrenheit or higher with an alkaline solution. This sink/float recycling process cleanly separates the label from the container and PET flakes.
According to Earl Curran, vice president business development, “Brand owners are requiring creative solutions to support sustainability goals. Our WOff adhesive was designed to reduce their environmental impact and contribute to a circular economy through the separation of non-recyclable label materials. When used in combination with PET or glass containers, it provides a more pure recovery through separation of the label from the container.”
The new adhesive can be paired with 2.6 mil White, 2 mil Clear and 2 mil Metalized Elite Polypropylenes or polyester facestocks. To further reduce environmental impacts, WOff can be utilized with .92, 1.2 or 1.5 mil PET liners that are manufactured with up to 50% recycled content.
WOff is recommended for beverage and household applications where the container will pass through its recycling stream and the PET flake process. It is APEO-free and has excellent clarity when used with clear films. the adhesive is available in a custom coat master width x 5,000’

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