Home > News > Industry News > Modified polyvinyl alcohol gel technology formula
Company News
Industry News
Contact Us
WhatsApp:+8615269057636 Contact Now
Latest News

Wood Adhesives fungicides and preservatives

http://www.muyehuagong.com/index.php?_m=mod_article&_a=article_content&article_id=169 WoodFeatures adhesive material in its production, storage and ap...

The weather

It is a little cold today, we have to keep warm, the temperature will rise tomorrow.

How to Make a Paulownia Kite Board

http://www.seabreeze.com.au/Articles/Kitesurfing/How-to-make-a-Paulownia-Kite-Board_5798724.aspx The above interlinkage shows how to make a paulownia ...


The temperature slowly rose up,the weather is getting warmer, this year is the twelfth lunar month sixteen beginning of spring, when the New Year is e...

Paulownia tomentosa

Paulownia is popular for roadside planting and as an ornamental tree in China. It is soft and of little value when grown on plantations generally has ...

Holiday News

Time flies!The new year is coming soon,but we still remember clearly about the time of last year.Our New year holiday is from January 1 to January 3...

Paulownia finger-board

Today came two customers to our factory to see paulownia finger joint board, it seems that they are very satisfied with our finger joints,they praised...

Paulownia wood board Features

Paulownia is also due to impervious smoke, moisture barrier, easy to insects, etc., in terms of daily necessities, is an ideal material for the manufa...

from seed to board

Paulownia tree

About two years before, Mr E bought a Paulownia tree roots in our town and took it back to their countries, taking into account the problem of soil a...


Modified polyvinyl alcohol gel technology formula

Guo Linkage 2015-01-08 09:38:42
Polyvinyl acetate adhesive cream dosage increase in furniture production, and its raw material vinyl acetate supply, prices rise, the cost will be increased latex. Polyvinyl alcohol modified wood glue, white glue with both easy to use features, but also has the characteristics of cheap glue, the production process is simple, is promising wood adhesives. 

     Polyvinyl alcohol 14% 

     Carboxymethylcellulose 1% 

     Defoamers little 

     5% isocyanate crosslinking agent 

     Propylbenzene emulsion 10% 

     Water 70% 

     Production methods: by the proportion of the above formula, carboxymethyl cellulose, polyvinyl alcohol and stirring, heating 500 (2 dissolved in water under the conditions at this time if the foam is generated, you can add a little defoamers' the material. drop Temperature ~ 20 ~ C, slowly dropping isocyanate crosslinking agents throughout the addition, the material has been cooled with cold water, its temperature is kept below 20 ℃, the maximum does not exceed 22 ℃. Stirred at 20 ℃ 0.5 ~ 1 Hours to complete the reaction. Then added propylbenzene emulsion was stirred for half an hour at 20 ℃, to the material. 

     The product is white emulsion, about 20% solids. At room temperature, the wood adhesive force is greater than 4.782 MPa (wood part of the fracture).