Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Preparation method of white coating agent containing polyvinyl alcohol

A technology of polyvinyl alcohol and whitening agent, which is applied in botany equipment and methods, biocides, fungicides, etc., can solve the problems of short persistence time, easy peeling off of the coating, and inability to reflect light, and achieve long-lasting , strong fixation, pure white color effect

Active Publication Date: 2013-11-13
河北绿岭果业有限公司
View PDF4 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it needs to be painted twice, which is time-consuming and labor-intensive.
At present, the general whitening agent, if the coating is too thin, the color of the coating will not be white, and it will not be reflective. If it is too thick, the coating will crack after air drying and warp outwards, the coating will fall off easily, and the persistence time is short. Can not play the role of long-term sunburn prevention, antifreeze damage, sterilization and insect control

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The first is to prepare polyvinyl alcohol stock solution, mix polyvinyl alcohol and water according to the mass ratio of 1:10, heat to 85 degrees Celsius, wait until the polyvinyl alcohol is completely dissolved in water, and then it will become polyvinyl alcohol stock solution. Then take by weighing 40 parts of quicklime, 4 parts of table salt, 4 parts of lime sulfur, and 200 parts of water and mix and stir evenly to make whitening agent raw materials. Finally, mix the polyvinyl alcohol stock solution and the raw material of the whitening agent according to the mass ratio of 1:8 and stir well to make the whitening agent containing polyvinyl alcohol.

[0012] In 2010, 60,000 walnut trees in Lvlin Base were painted with whitening agent containing polyvinyl alcohol. From mid-October 2010, they were not warped and resistant to wind, rain and sun. By April 2011, they were protected from insect pests, bacteria, and sun Burning, antifreeze damage effect. In 2010, the walnut ...

Embodiment 2

[0014] First, mix polyvinyl alcohol and water according to the mass ratio of 1:14, heat to 95 degrees Celsius, wait until the polyvinyl alcohol is completely dissolved in the water and serve, after cooling, it becomes the stock solution of polyvinyl alcohol. Then take by weighing 40 parts of quicklime, 4 parts of table salt, 4 parts of lime sulfur, and 200 parts of water and mix and stir evenly to make whitening agent raw materials. Finally, mix the polyvinyl alcohol stock solution and the raw material of the whitening agent according to the mass ratio of 1:12 and stir well to make the whitening agent containing polyvinyl alcohol.

[0015] In 2011, the walnut trees planted in the autumn of Lvlin base were treated in three different ways for overwintering and cold protection: 1. Brushing with whitening agent containing polyvinyl alcohol, 2. Brushing with ordinary whitening agent, 3. Using ordinary whitening agent Apply polyvinyl alcohol stock solution after white agent is appli...

Embodiment 3

[0017] First, mix polyvinyl alcohol and water at a mass ratio of 1:12, heat to 90 degrees Celsius, wait until the polyvinyl alcohol is completely dissolved in the water, and serve as a stock solution of polyvinyl alcohol after cooling. Then take by weighing 40 parts of quicklime, 4 parts of table salt, 4 parts of lime sulfur, and 200 parts of water and mix and stir evenly to make whitening agent raw materials. Finally, the polyvinyl alcohol stock solution and the whitening agent raw materials are mixed together according to the mass ratio of 1:10 and fully stirred evenly to prepare the whitening agent containing polyvinyl alcohol.

[0018] The ratio of polyvinyl alcohol and water in the polyvinyl alcohol stock solution of the present invention can also be any ratio from 1:10 to 1:14, and the ratio of quicklime, salt, and lime sulfur in the whitening agent raw material can also be 40 to 60 parts , 4 to 6 parts, any ratio of 4 to 6 parts. Lime sulfur mixture can be boiled with ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a preparation method of a white coating agent containing polyvinyl alcohol. The preparation method comprises the following steps: a. mixing polyvinyl alcohol with water in a mass ratio of (1:10)-(1:14), heating the mixture to 85-95 DEG C until polyvinyl alcohol is completely dissolved in water and obtaining polyvinyl alcohol stock solution after cooling; and b. mixing the polyvinyl alcohol stock solution prepared in the step a with the raw white coating agent in a mass ratio of (1:8)-(1:12) and stirring the mixture fully and uniformly. The preparation method has the advantages of time, labor and cost saving and good effect.

Description

technical field [0001] The invention belongs to the field of fruit tree protection, in particular to a preparation method of a fruit tree drying agent. Background technique [0002] In winter, fruit trees need to be dry-painted, that is, to brush a layer of whitening agent on the trunk and main branches to prevent insect damage, sunburn and freezing damage. After winter, the temperature difference between day and night is large. During the day, the sunny side of the trunk is irradiated by the sun, and the temperature is higher. The cortex absorbs high heat, which thaws the cortical cells full of water; at night, the cortical cells are affected by the external low temperature, and the water in the cells freezes again. . Such a heat and a freeze will frostbite the cortical cells. After drying, because the white color of the whitening agent can reflect sunlight, the trunk can be kept at a relatively low temperature, so that the cortical cells of the trunk will not be frostbit...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): A01N59/06A01N25/02A01P3/00A01P7/00A01G13/00
Inventor 戎国锋张增辉陈利英未爱华腰丽翠韩雪华
Owner 河北绿岭果业有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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