Construction adhesive
A construction and adhesive technology, applied in the field of construction adhesives, can solve the problems of harming the health of production workers, construction personnel and users, environmental pollution, etc., and achieve the effect of excellent adhesion and good construction performance
Inactive Publication Date: 2009-05-27
王功全
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Embodiment Construction
[0015] Take 10kg of polyenol, 5kg of oxalic acid, 5kg of urea, and 1kg of borax, add 80kg of water into the reaction kettle, when the temperature rises to 50-70 degrees, add 10kg of polyvinyl alcohol, continue to heat up to 90 degrees and keep warm until the polyvinyl alcohol is dissolved. When the temperature is lowered to 80 degrees, add 5kg of oxalic acid, 5kg of urea, and 1kg of borax in a trickle mode under stirring, carry out neutralization reaction for 1-2 hours, and fill after cooling.
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The invention discloses a building adhesive, which is produced from the following ingredients by weight portion: 10 portions of polyvinyl alcohol, 5 portions of oxalic acid, 5 portions of urea, 1 portion of borax, and 80 portions of water. The building adhesive does not contain formaldehyde, is odorless and nontoxic, and has good adhesive property and good construction performance.
Description
technical field [0001] This invention relates to construction adhesives. Background technique [0002] The traditional 107, 108, 803 and other types of acetal-type construction glues all contain formaldehyde, which cause environmental pollution and seriously harm the health of production workers, construction personnel and users, and have become banned by the national construction management department. product. Contents of the invention [0003] The object of the invention is to provide a formaldehyde-free, non-toxic and pollution-free construction adhesive. [0004] Construction adhesive of the present invention is made from the batching of following parts by weight: [0005] 10 parts of polyvinyl alcohol, 5 parts of oxalic acid, 5 parts of urea, 1 part of borax and 80 parts of water [0006] All above-mentioned raw materials are commercially available products. [0007] The characteristics and preparation method of above-mentioned batching are as follows: [0008] ...
Claims
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Inventor 王功全
Owner 王功全