Novel plant base multifunctional strong building glue and preparation method thereof

A new type of plant and construction adhesive technology, which is applied in the field of new plant-based multifunctional strong construction adhesive and its preparation, can solve the problems of high VOC content, poor storage stability, and environmental pollution, and achieve simple and convenient preparation methods and good bonding strength , the effect of a wide range of materials

Inactive Publication Date: 2013-11-27
ZHEJIANG ZHIQIANG PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the vegetable glues currently on the market have a common defect, which is that the bonding performance is relatively poor. After being mixed with putty powder, cracks are prone to occur, which affects the effect of later decoration; it is easy to mildew and has poor storage stability.
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Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The weight ratio of construction glue: 160 parts of water, 7 parts of polyvinyl alcohol resin, 12 parts of soybean protein isolate, 1 part of guanidine hydrochloride, and 2 parts of sodium sulfate.

[0020] The preparation method is:

[0021] Modification of soybean protein isolate: mix water and soybean protein isolate into the reaction kettle, raise the temperature to 30°C, add guanidine hydrochloride, mix and stir evenly, add sodium sulfate after 10 minutes, react at constant temperature for 2 hours, cool down and discharge, in the whole During the reaction, the stirring speed was controlled at 100 r / min to prevent the glue from bubbling a lot.

[0022] Melt the polyvinyl alcohol resin: The polyvinyl alcohol resin is granular, first add hot water at 50°C and stir for about 40 minutes, then heat to 85°C, and stir for one hour at the same time to completely dissolve the polyvinyl alcohol resin.

[0023] Synthetic construction glue: Cool down the dissolved polyvinyl al...

Embodiment 2

[0026] The weight ratio of construction glue: 180 parts of water, 8 parts of polyvinyl alcohol resin, 20 parts of soybean protein isolate, 5 parts of guanidine hydrochloride, and 5 parts of sodium sulfate.

[0027] The preparation method is:

[0028] Modification of soybean protein isolate: mix water and soybean protein isolate into the reaction kettle, raise the temperature to 35°C, add guanidine hydrochloride, mix and stir evenly, add sodium sulfate after 15 minutes, react at constant temperature for 2 hours, cool down and discharge, in the whole During the reaction, the stirring speed was controlled at 80 r / min to prevent the glue from bubbling a lot.

[0029] Melt the polyvinyl alcohol resin: The polyvinyl alcohol resin is granular, first add hot water at 55°C and stir for about 40 minutes, then heat to 80°C and stir for one hour at the same time to completely dissolve the polyvinyl alcohol resin.

[0030] Synthetic construction glue: Cool down the dissolved polyvinyl alc...

Embodiment 3

[0033] The weight ratio of construction glue: 165 parts of water, 4 parts of polyvinyl alcohol resin, 15 parts of soybean protein isolate, 3 parts of guanidine hydrochloride, and 3 parts of sodium sulfate.

[0034] The preparation method is:

[0035] Modification of soybean protein isolate: mix water and soybean protein isolate into the reaction kettle, raise the temperature to 40°C, add guanidine hydrochloride, mix and stir evenly, add sodium sulfate after 20 minutes, react at constant temperature for 2 hours, cool down and discharge, in the whole During the reaction, the stirring speed was controlled at 70 r / min to prevent the glue from bubbling a lot.

[0036] Melt the polyvinyl alcohol resin: The polyvinyl alcohol resin is granular, first add hot water at 60°C and stir for about 40 minutes, then heat to 90°C and stir for an hour to completely dissolve the polyvinyl alcohol resin.

[0037] Synthetic construction glue: Cool down the dissolved polyvinyl alcohol resin to 40°C...

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Abstract

The invention provides a novel plant base multifunctional strong building glue and a preparation method thereof. The novel plant base multifunctional strong building glue provided by the invention is prepared from water, polyvinyl alcohol resin, soybean protein isolate, guanidine hydrochloride and sodium sulfate. The glue provided by the invention can effectively prevent generation of cracks, and is a completely green environment-friendly product, which has advantages of simple and convenient preparation method, low cost and wide sources of materials.

Description

technical field [0001] The invention belongs to the field of building materials, in particular to a novel plant-based multifunctional strong building glue and a preparation method thereof. Background technique [0002] Most of the vegetable glues currently on the market have a common defect, which is that the bonding performance is relatively poor. After being mixed with putty powder, cracks are prone to occur, which affects the effect of later decoration; it is easy to mildew and has poor storage stability. Other chemical construction adhesives generally have high VOC content and contain toxic and harmful substances such as formaldehyde and acrylamide, which endanger human health and pollute the environment. The effect of similar foreign products is good, but the price is too high and cannot be widely used. [0003] Contents of the invention [0004] In order to solve the above technical problems, the present invention provides a novel plant-based multifunctional strong...

Claims

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Application Information

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IPC IPC(8): C09J189/00C09J129/04
Inventor 陈传购张茂盛卢益明金辉
Owner ZHEJIANG ZHIQIANG PAINT
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