A woodworking adhesive with long open time based on maltose syrup modified polyvinyl acetate emulsion
A polyvinyl acetate, open time technology, applied in the direction of monocarboxylate copolymer adhesives, adhesive types, polymer adhesive additives, etc., can solve the problem of short open time of adhesives
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0020] Embodiment one total amount=1000kg
[0021] (1) 1 kilogram of ammonium persulfate is dissolved in 50 kilograms of water, obtains the ammonium persulfate initiator solution of 51 kilograms of polyreactions;
[0022] (2) 250 kilograms of vinyl acetate and 20 kilograms of methacrylic acid are mixed and stirred evenly to make 270 kilograms of mixed monomers;
[0023] (3) Add 525 kilograms of water, 1 kilogram of defoamer F681, 1 kilogram of buffering agent sodium bicarbonate, 2 kilograms of emulsifier AEO-9 in the reaction kettle, add 30 kilograms of Chuanwei polyvinyl alcohol 1788,10 under the condition of dispersing and stirring Kg of maltose syrup, stir and disperse for 10 minutes, heat up to 90°C, keep warm for 60 minutes, then cool down to 60°C, add 100 kg of vinyl acetate and 15 kg of ammonium persulfate initiator solution prepared in step (1), stir and disperse for 10 minutes ;
[0024] (4) Heat up to 78°C, keep warm for 20 minutes until there is no reflux, and the...
Embodiment 2
[0025] Embodiment two total amount=1000kg
[0026] (1) 1 kilogram of ammonium persulfate is dissolved in 50 kilograms of water, obtains the ammonium persulfate initiator solution of 51 kilograms of polyreactions;
[0027] (2) 280 kilograms of vinyl acetate and 20 kilograms of methacrylic acid are mixed and stirred evenly to make 2300 kilograms of mixed monomers;
[0028] (3) Add 495 kilograms of water, 1 kilogram of defoamer F681, 1 kilogram of buffer sodium bicarbonate, 2 kilograms of emulsifier AEO-9 in the reaction kettle, add 25 kilograms of Chuanwei polyvinyl alcohol 1788 under the condition of dispersion and stirring, 15 Kg of maltose syrup, stir and disperse for 10 minutes, heat up to 90°C, keep warm for 60 minutes, then cool down to 60°C, add 100 kg of vinyl acetate and 15 kg of ammonium persulfate initiator solution prepared in step (1), stir and disperse for 10 minutes ;
[0029] (4) Heat up to 78°C, keep warm for 20 minutes until there is no reflux, and then add 2...
Embodiment 3
[0030] Embodiment three total amount=1000kg
[0031] (1) 1 kilogram of ammonium persulfate is dissolved in 50 kilograms of water, obtains the ammonium persulfate initiator solution of 51 kilograms of polyreactions;
[0032] (2) 280 kilograms of vinyl acetate and 20 kilograms of methacrylic acid are mixed and stirred evenly to make 2300 kilograms of mixed monomers;
[0033] (3) Add 495 kg of water, 1 kg of defoamer F681, 1 kg of buffer sodium bicarbonate, 2 kg of emulsifier AEO-9 in the reactor, add 20 kg of Chuanwei polyvinyl alcohol 1788, 20 Kg of maltose syrup, stir and disperse for 10 minutes, heat up to 90°C, keep warm for 60 minutes, then cool down to 60°C, add 100 kg of vinyl acetate and 15 kg of ammonium persulfate initiator solution prepared in step (1), stir and disperse for 10 minutes ;
[0034] (4) Heat up to 78°C, keep warm for 20 minutes until there is no reflux, and then add 270 kg of mixed monomers in the step (2) with the constant flow pump, and control the d...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com