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Preparation method of environment-friendly modified fish gelatin adhesive

An environmentally friendly, adhesive technology, applied in the directions of adhesives, adhesive types, graft polymer adhesives, etc., can solve the problems of low cohesion, poor water resistance, limited application prospects of fish glue adhesives, etc. The effect of improving waterproof performance, improving adhesion and good toughness

Inactive Publication Date: 2019-06-14
朱延朋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a natural protein polymer, isinglass has many advantages of natural adhesives, but due to its own shortcomings such as low adhesion and poor water resistance, the application prospects of isinglass adhesives are limited.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method of an environment-friendly modified fish glue adhesive, the ingredients are calculated in parts by weight, comprising the following steps:

[0025] (1) Mix 20 parts of isinglass and 40 parts of deionized water and soak for 20 hours;

[0026] (2) Heating to 60°C in a water bath, adding 10 parts of 0.7mol / L citric acid, and stirring at a speed of 100rpm for 30min to obtain an isinglass solution;

[0027] (3) Mix 30 parts of deionized water and 0.3 parts of polyvinyl alcohol, heat up to 85°C, and stir to dissolve;

[0028] (4) Cool down to 60°C, add 9.5 parts of ammonium thiocyanate, 5 parts of methanol and 0.1 part of sodium benzoate, fully stir to dissolve;

[0029] (5) Transfer to an emulsifier, and shear for 1 min at a rotating speed of 4000 rpm;

[0030] (6) Add isinglass solution, stir and react for 30min at a rotating speed of 200rpm, add 0.8 parts of aluminum chloride solution, and continue to stir and react for 1-2h;

[0031] (7) Add 10wt% ...

Embodiment 2

[0034] A preparation method of an environment-friendly modified fish glue adhesive, the ingredients are calculated in parts by weight, comprising the following steps:

[0035] (1) Mix 25 parts of isinglass and 42 parts of deionized water and soak for 21 hours;

[0036] (2) Heating to 60°C in a water bath, adding 12 parts of 0.7mol / L citric acid, and stirring at a speed of 120rpm for 35min to obtain an isinglass solution;

[0037] (3) Mix 32 parts of deionized water and 0.35 parts of polyvinyl alcohol, heat up to 85°C, and stir to dissolve;

[0038] (4) Cool down to 60°C, add 9.7 parts of ammonium thiocyanate, 6 parts of methanol and 0.12 parts of sodium benzoate, fully stir and dissolve;

[0039] (5) Transfer to an emulsifier, and shear for 1.5 min at a rotating speed of 4500 rpm;

[0040] (6) Add isinglass solution, stir and react for 35 minutes at a rotating speed of 250 rpm, add 0.85 parts of aluminum chloride solution, and continue stirring and reacting for 1.5 hours;

...

Embodiment 3

[0044] A preparation method of an environment-friendly modified fish glue adhesive, the ingredients are calculated in parts by weight, comprising the following steps:

[0045] (1) Mix 25 parts of isinglass and 45 parts of deionized water and soak for 22 hours;

[0046] (2) Heating in a water bath to 60°C, adding 13 parts of 0.7mol / L citric acid, and stirring at a speed of 150rpm for 35min to obtain an isinglass solution;

[0047] (3) Mix 35 parts of deionized water and 0.4 parts of polyvinyl alcohol, heat up to 85°C, and stir to dissolve;

[0048] (4) Cool down to 60°C, add 9.7 parts of ammonium thiocyanate, 7 parts of methanol and 0.15 parts of sodium benzoate, fully stir and dissolve;

[0049] (5) Transfer to an emulsifier, and shear for 1.5 min at a rotating speed of 4500 rpm;

[0050] (6) Add isinglass solution, stir and react for 35 minutes at a rotating speed of 250 rpm, add 0.9 parts of aluminum chloride solution, and continue stirring and reacting for 1.5 hours;

[...

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Abstract

The invention provides a preparation method of an environment-friendly modified fish gelatin adhesive. The preparation method comprises the following steps: mixing fish gelatin with deionized water, and soaking; heating in a water bath, adding citric acid, and stirring to obtain a fish gelatin solution; mixing the deionized water with polyvinyl alcohol, heating, stirring and dissolving; cooling, adding ammonium thiocyanate, methanol and sodium benzoate, fully stirring and dissolving; transferring into an emulsifying machine for shearing; adding the fish gelatin solution, stirring, reacting, adding an aluminum chloride solution, and continuously stirring and reacting; adding an acrylic acid solution and a sodium hydroxide solution, heating, stirring uniformly, and standing for 90 min; and carrying out electrifying treatment on the solution to obtain the environment-friendly modified fish gelatin adhesive. The environment-friendly modified fish gelatin adhesive prepared by the method hasgood mechanical properties and good toughness, and also has good water resistance.

Description

technical field [0001] The invention relates to a preparation method of an environment-friendly modified fish glue adhesive. Background technique [0002] Adhesives have a long history of use. People discovered that as early as 5,000 years ago, a mixture of clay and water was used to bond solids such as stones. Our ancestors used clay, starch, rosin and other natural glue to make practical and valuable adhesives. appliance. The most amazing thing is that the Qin Dynasty used glutinous rice and lime mortar to build the Great Wall, which shocked the world. It stands on the top of the world and has become one of the seven wonders of the world. With the growth of the economy, people's demand for adhesives is increasing. In the 20th century, due to the growth of modern large-scale industries, natural adhesives can no longer meet the requirements of users in terms of types and production volumes, so they began to turn to the production of synthetic adhesives. . However, because...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J151/08C08J3/28C08H1/00C08F289/00C08F220/06
Inventor 朱延朋
Owner 朱延朋
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