Water-soluble non-formaldehyde wood adhesive and method for preparing same
A wood adhesive, water-soluble technology, applied in the direction of adhesives, wood processing appliances, wood veneer bonding, etc. The effect of high strength, fast strength building, and simple preparation method
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Embodiment 1
[0021] Example 1 Preparation of water-soluble formaldehyde-free wood adhesive
[0022] Utilize the present invention to prepare water-soluble formaldehyde-free wood adhesive, first weigh raw materials according to the following parts by weight: starch 300, distilled water 860, acrylamide 80, glutaraldehyde 35, p-toluenesulfonic acid 1, azobisisobutyronitrile 30 .
[0023] All raw materials used in the present invention can be purchased commercially.
[0024] Mix the above raw materials evenly to obtain the prepared adhesive mother liquor, which is added into a three-necked flask. Heat in an oil bath, control the temperature at 80°C, stir mechanically, and react for 2 hours to obtain a water-soluble formaldehyde-free wood adhesive.
Embodiment 2
[0025] Embodiment 2 prepares water-soluble formaldehyde-free wood adhesive
[0026] Using the present invention to prepare water-soluble formaldehyde-free wood adhesive, firstly weigh the raw materials according to the following parts by weight: starch 300, distilled water 860, acrylamide 70, glutaraldehyde 35, p-toluenesulfonic acid 1, cerium ammonium nitrate 30.
[0027] Mix the above raw materials evenly to obtain the prepared adhesive mother liquor, which is added into a three-necked flask. Heat in an oil bath, control the temperature at 80°C, stir mechanically, and react for 1 hour to obtain a water-soluble formaldehyde-free wood adhesive.
Embodiment 3
[0028] Example 3 Preparation of water-soluble formaldehyde-free wood adhesive
[0029] Using the present invention to prepare water-soluble formaldehyde-free wood adhesive, firstly weigh the raw materials according to the following parts by weight: starch 400, distilled water 860, acrylamide 60, glutaraldehyde 35, p-toluenesulfonic acid 1, ammonium persulfate 30.
[0030] Mix the above raw materials evenly to obtain the prepared adhesive mother liquor, which is added into a three-necked flask. Heat in an oil bath, control the temperature at 60°C, stir mechanically, and react for 2 hours to obtain a water-soluble formaldehyde-free wood adhesive.
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