Compostte artificial board and its preparation method
A wood-based panel and non-wood technology, applied in the field of straw non-wood plant fiber composite wood-based panels and their preparation, can solve the problems of less industrialization promotion, low fiber yield, "more laboratory research, etc., so as to reduce the release of formaldehyde. The amount, the preparation process is simple, and the effect of improving the comprehensive performance
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Embodiment 1
[0022] A straw-like non-wood plant fiber composite wood-based panel, comprising urea-formaldehyde resin binder, straw-like non-wood plant fiber and bentonite, the straw-like non-wood plant fiber is 12-75 mesh straw-like non-wood plant fiber scraps, urea-formaldehyde resin The weight percentage ratio of binding agent, straw non-wood plant fiber and bentonite is: 12~60%: 35~85%: 3~50%, as desirable 20%: 70%: 10%; 30%: 40% : 30%; 40%: 20%: 40%, the present invention can also comprise attapulgite, the weight percentage distribution ratio of urea-formaldehyde resin binder and attapulgite is: 12~60%: 3~50%, as desirable 1:0.5; 1:5; 1:15. In this embodiment, while adding the binder, a curing agent can be added, such as ammonium chloride curing agent accounting for 1-1.5% of the urea-formaldehyde resin amount; Melamine; adding waterproofing agent to improve the water resistance of the board, such as adding emulsified paraffin wax accounting for 1% of the total, the above-mentioned st...
Embodiment 2
[0024] A straw-like non-wood plant fiber composite wood-based panel, which is composed of urea-formaldehyde resin binder, straw-like non-wood plant fiber, attapulgite and bentonite, 12-60%: 35-85%: 3-50%: 3- 50%, such as 20%: 60%: 10%: 10%; 30%: 40%: 20%: 10%; 40%: 20%: 20%: 20%.
Embodiment 3
[0026] A straw-like non-wood plant fiber composite wood-based panel is composed of urea-formaldehyde resin binder, straw-like non-wood plant fiber and bentonite, and the weight percentage ratio of urea-formaldehyde resin binder, straw-like non-wood plant fiber and bentonite is as follows: 12-60%: 35-85%: 3-50%, for example, 20%: 70%: 10%; 30%: 40%: 30%; 40%: 20%: 40%. In this embodiment, while adding the binder, a curing agent can be added, such as ammonium chloride curing agent accounting for 1-1.5% of the urea-formaldehyde resin amount; Melamine; adding a waterproofing agent to improve the water resistance of the board, such as adding emulsified paraffin wax accounting for 1% of the total amount.
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