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A kind of environment-friendly lactate acrylate monomer and preparation method thereof

A technology of acrylate and lactic acid ester, which is applied in the field of environmentally friendly lactic acid ester acrylate monomer and its preparation, can solve the problems of increased production costs, and achieve the effects of stable raw material output, low volatility, and low viscosity

Active Publication Date: 2018-11-02
SUZHOU JIREN HIGH TECH MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If other types of monomers are used instead, although the toxicity can be reduced, the production cost will also increase accordingly

Method used

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  • A kind of environment-friendly lactate acrylate monomer and preparation method thereof
  • A kind of environment-friendly lactate acrylate monomer and preparation method thereof
  • A kind of environment-friendly lactate acrylate monomer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0039] Preparation method and steps

[0040] 1) Put the polymerization inhibitor hydroquinone and dehydrated alcohol into the polymerization inhibitor dissolving tank, then stir and dissolve, and pump it in from the bottom of the sieve plate type esterification reaction tower with a metering pump:

[0041] 2) Put 1 / 5-1 / 4 acrylic acid and solid superacid catalyst of the original total amount into the catalyst mixing tank, stir and mix evenly, and pump it in from the bottom of the sieve plate type esterification reaction tower with a metering pump;

[0042] 3) Preheat the remaining raw materials acrylic acid and lactate to 130-140°C through a heat exchanger, and pump them in from the bottom of the sieve plate esterification reaction tower with a metering pump;

[0043] 4) The material enters from the bottom of the sieve plate type esterification reaction tower, and the partial esterification reaction is completed in the sieve plate tower. The reaction temperature is 140-150°C, t...

Embodiment 1

[0047] Table 1 ratio table:

[0048] raw material name

Embodiment 2

[0050] Table 2 ratio table:

[0051] raw material name

Specifications / grades

Feeding amount (kg)

ethyl lactate

99.5％

100

acrylic

industrial grade

70～95

Quinol

Reagent grade

0.03～0.05

Solid Superacid Catalyst

Nanjing Genesis New Material JNS-SA-ZS

6～9

[0052] Technical performance comparison

[0053] Table 3 Comparison of technical performance indicators of acrylate lactate and butyl acrylate:

[0054]

[0055]

[0056]As can be seen from Table 3, this product has good solvency and low viscosity.

[0057] Table 4 Comparison of environmental protection and toxicity

[0058]

[0059] Table 5 Economy

[0060]

[0061] It can be seen from Table 3, Table 4 and Table 5 that:

[0062] ① Low volatility, non-toxic, non-irritating to humans, and the residue can be degraded, which is an environmentally friendly product;

[0063] ②The cost is the same as that of butyl acrylate, and lactic a...

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Abstract

The invention discloses an environment friendly lactate acrylic ester monomer and a preparation method thereof. The environment friendly lactate acrylic ester monomer comprises lactate, acrylic, a polymerization inhibitor and a catalyst, wherein the mole ratio of the acrylic to the lactate is (1.15-1.30) to 1, and the polymerization inhibitor is hydroquinone; the catalyst is solid superacid and the consumption of the catalyst accounts for 3-5% of the total weight; the consumption of the polymerization inhibitor accounts for 0.03-0.05% of the total weight. The environment friendly lactate acrylic ester monomer prepared by the method disclosed by the invention is good in solubility, small in stickiness, low in volatility, non-toxic, and nonirritant to people, residues can be degraded, and the environment friendly lactate acrylic ester monomer belongs to a real environment friendly product; the production cost of the environment friendly lactate acrylic ester monomer is equal to that of the butyl acrylate, the lactate is a fermented product of crops, and the yield of raw materials is stable, and is free from influence by market fluctuation.

Description

technical field [0001] The invention relates to the field of environment-friendly coatings, in particular to an environment-friendly lactate acrylate monomer and a preparation method thereof. Background technique [0002] The monomers of various components in light-curing coatings are an important component. It can not only dissolve dilute oligomers, adjust the viscosity of the system, but also participate in the process of light-curing, affecting the light-curing speed of the coating and the cured film. Various properties. Therefore, choosing the right monomer is also an important part of the formulation design of photocurable coatings. Monomers have -C=C-saturated double bonds, such as acryloyloxy, methacryloyloxy, vinyl and allyl, and the photocuring activity of these monomers is weakened in turn. [0003] According to the number of reactive groups contained in each molecule, monomers can be divided into monofunctional, bifunctional and multifunctional monomers. The mor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C67/31C07C67/08C07C69/67C07C67/54C07C67/62C09D4/02
CPCC07C67/08C07C67/31C07C67/54C07C67/62C09D4/00C07C69/67C08F220/365
Inventor 王宇晖
Owner SUZHOU JIREN HIGH TECH MATERIAL CO LTD