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Encapsulating adhesive carrier and preparing method thereof

An adhesive and carrier technology, applied in the field of encapsulating adhesive carrier and its preparation, can solve the problems of low adhesive force, toxicity and irritation, and high price, and achieve the effects of strong adhesive force, low temperature requirement and short evaporation time.

Inactive Publication Date: 2009-09-30
SHANGHAI ZAIRAN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From an economic point of view, its price is relatively high; from the point of view of material performance, it mainly has the following shortcomings: (1) When it is not toughened, the cured product is generally brittle, and its resistance to peeling, cracking and impact resistance is poor
(2) Low adhesion to materials with low polarity (such as polyethylene, polypropylene, fluoroplastics, etc.)
(3) Some raw materials such as reactive diluents, curing agents, etc. have varying degrees of toxicity and irritation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A kind of encapsulation adhesive carrier and preparation method thereof, the nitrocellulose A NC 2000 1.8wt% is dissolved with 98wt% of low molecular weight ester Butyl acetate and introduced into the reaction kettle, then add nitrocellulose BNC 40 0.2 wt%, adjust the speed of the stirrer and stir for 5 hours to obtain the encapsulation adhesive carrier.

[0014] Conduct viscosity and solid powder experiments on the obtained packaging adhesive carrier, adopt conventional viscosity measurement methods, and measure the viscosity with a B-type viscometer at 25°C: 37.0±4.0CP; heat at 120°C for 2 hours and make solid powder In the experiment, the amount of solid powder added was 1.15±0.1%. Sampling in each batch of warehousing for on-site experiments, and after investigating the peeling of steamed aluminum, rough film, film spots, etc., only use qualified batch numbers, and adjust the brightness (BRIGHTNESS), precise gas ratio GR (GAS.RATIO ) etc. for characteristic experi...

Embodiment 2

[0020] An encapsulation adhesive carrier and its preparation method, dissolving 1.8wt% of nitrocellulose A with a viscosity of 200 with 98wt% of low-molecular-weight ester butyl acetate is introduced into a reaction kettle, and then 0.2wt of nitrocellulose B with a viscosity of 10 is added %, adjust the speed of the stirrer and stir for 3 hours to obtain the encapsulation adhesive carrier.

Embodiment 3

[0022] An encapsulation adhesive carrier and a preparation method thereof, dissolving 20wt% of nitrocellulose A with a viscosity of 4000 with 72wt% of low molecular weight ester isoamyl acetate is introduced into a reaction kettle, and then adding 8wt% of nitrocellulose B with a viscosity of 200, Adjust the rotation speed of the stirrer and stir for 8 hours to obtain the packaging adhesive carrier.

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PUM

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Abstract

The invention relates to an encapsulating adhesive carrier and a preparing method thereof. The encapsulating adhesive carrier comprises the following compositions by weight percentage: 72 to 99 weight percent of low molecular weight ester, 0.05 to 20 weight percent of nitrocellulose A and 0.05 to 10 with percent of nitrocellulose B. Compared with the prior art, the encapsulating adhesive carrier has the characteristics of evener blending with low melting-point glass powder, more favorability for keeping internal vacuum than the prior sealing gum, short evaporation time, low temperature requirement, and the like.

Description

technical field [0001] The invention relates to an adhesive, in particular to an encapsulating adhesive carrier and a preparation method thereof. Background technique [0002] It is used to complete the sealing and bonding of screen glass and cone glass to keep the internal vacuum. From an economic point of view, its price is relatively high; from the point of view of material performance, it mainly has the following shortcomings: (1) When it is not toughened, the cured product is generally brittle, and its resistance to peeling, cracking, and impact is poor. (2) Low adhesion to materials with low polarity (such as polyethylene, polypropylene, fluoroplastics, etc.). Surface activation must be done first. (3) Some raw materials such as reactive diluents, curing agents, etc. have varying degrees of toxicity and irritation. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of the above-mentioned prior art and provide a packa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J11/08C08L1/18C08K5/10
Inventor 吉玉金金重万杨陈
Owner SHANGHAI ZAIRAN CHEM