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目前家居中甲醛释放的主要源头是人造板材

网址:www.chujiaquan58.com  2020-12-25  作者:admin    阅读:

目前家居中甲醛释放的主要源头是人造板材(生态板、木工板、密度板、多层板、刨花板、颗粒板、非实木地板等都是人造板材),减少人造板材的使用可从源头上减少甲醛释放的量。
At present, the main source of formaldehyde emission in home is man-made board (ecological board, wood board, density board, multi-layer board, particleboard, particle board, non solid wood floor and so on). Reducing the use of wood-based panel can reduce the amount of formaldehyde emission from the source.
甲醛从哪里来
Where does formaldehyde come from
很大一部分来自于人造板材内部的廉价黏胶——尿素甲醛树脂。甲醛+尿素=脲醛树脂,没有完全溶解的甲醛就会在板材内游离然后缓慢释放出来。
A large part of it comes from the cheap glue inside the wood-based panel, urea formaldehyde resin. Formaldehyde + urea = urea formaldehyde resin, formaldehyde which is not completely dissolved will be free in the plate and then slowly released.
其他建材如:油漆、塑料制品、粘合剂里也都有可能含有甲醛,但与人造板材的释放量相比它们可以说不值一提。
Other building materials such as: paint, plastic products, adhesives may also contain formaldehyde, but compared with the release of man-made panels, they are not worth mentioning.
在木材加工业各种人造板材中,脲醛树脂和它的改性产品占到了胶粘剂使用量的九成。在我国有毒化学品优先控制名单中名列第二(第一是二恶英)。
In wood processing industry, urea formaldehyde resin and its modified products account for 90% of the adhesive used. It ranks second in the priority control list of toxic chemicals in China (the first is dioxin).
有无更环保的胶
Do you have more environmentally friendly glue
有,MDI胶、三聚氰胺醛树脂等。
Yes, MDI glue, melamine formaldehyde resin, etc.
但由于脲醛树脂成本低;工艺简单;粘性好。尿素甲醛树脂地位非常稳固。虽然不乏更环保更好用的替代品,但它们的成本没有足够的竞争力。
But because of its low cost, simple process and good viscosity. Urea formaldehyde resin is very stable. Although there are many more environmentally friendly and better used alternatives, their costs are not competitive enough

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