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High-stability styrene butadiene latex and preparation method thereof

A technology of styrene-butadiene latex and high stability, applied in the field of latex, can solve the problems of low stability and easy to be affected by heavy metal ions, and achieve the effect of good waterproofness and high stability.

Inactive Publication Date: 2016-06-15
杭州道淳信息咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Widely used in industrial sectors such as printing and dyeing, latex products, fiber fabric impregnation, tire impregnation, paint adhesives, etc. The particles of styrene-butadiene latex are much smaller than natural latex, without protein and other substances, easy to penetrate, not easy to rot, and heat-resistant , anti-aging, but the stability is not high, easily affected by heavy metal ions

Method used

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  • High-stability styrene butadiene latex and preparation method thereof

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Embodiment 1

[0022] In the embodiment of the present invention, a kind of high-stability styrene-butadiene latex, the raw material according to weight comprises: deionized water 9900kg, styrene 4400kg, 1,3-butadiene 6900kg, acrylic acid 340kg, initiator 45kg, potassium chloride 20kg, emulsifier 10kg, lye 180kg, terminator 15kg, mercaptan 100kg, seed glue 220kg, acrylamide 70kg.

[0023] The preparation method of the styrene-butadiene latex of described high stability, concrete steps comprise:

[0024] (1) Primer reaction: inject 1,3-butadiene, styrene and mercaptan into the oil phase tank through a metering pump to obtain an oil phase liquid; mix deionized water, acrylic acid, potassium chloride, emulsifier, Acrylamide and lye are poured into the water phase kettle to obtain the water phase liquid;

[0025] (2) Polymerization reaction: the specific steps include,

[0026] a. Pour deionized water into the reactor, replace the reactor with steam, and evacuate the reactor to -0.1MPa;

[00...

Embodiment 2

[0036] In the embodiment of the present invention, a kind of high stability styrene-butadiene latex, the raw material according to weight comprises: deionized water 10000kg, styrene 4500kg, 1,3-butadiene 7000kg, acrylic acid 350kg, initiator 50kg, potassium chloride 25kg, emulsifier 12kg, lye 200kg, terminator 20kg, mercaptan 120kg, seed glue 250kg, acrylamide 75kg.

[0037] The preparation method of the styrene-butadiene latex of described high stability, concrete steps comprise:

[0038] (1) Primer reaction: inject 1,3-butadiene, styrene and mercaptan into the oil phase tank through a metering pump to obtain an oil phase liquid; mix deionized water, acrylic acid, potassium chloride, emulsifier, Acrylamide and lye are poured into the water phase kettle to obtain the water phase liquid;

[0039] (2) Polymerization reaction: the specific steps include,

[0040] a. Pour deionized water into the reactor, replace the reactor with steam, and evacuate the reactor to -0.09MPa;

[...

Embodiment 3

[0050] In the embodiment of the present invention, a kind of high-stability styrene-butadiene latex, the raw material according to weight comprises: deionized water 10100kg, styrene 4600kg, 1,3-butadiene 7100kg, acrylic acid 360kg, initiator 55kg, potassium chloride 30kg, emulsifier 15kg, lye 220kg, terminator 25kg, mercaptan 140kg, seed glue 270kg, acrylamide 80kg.

[0051] The preparation method of the styrene-butadiene latex of described high stability, concrete steps comprise:

[0052] (1) Primer reaction: inject 1,3-butadiene, styrene and mercaptan into the oil phase tank through a metering pump to obtain an oil phase liquid; mix deionized water, acrylic acid, potassium chloride, emulsifier, Acrylamide and lye are poured into the water phase kettle to obtain the water phase liquid;

[0053] (2) Polymerization reaction: the specific steps include,

[0054] a. Pour deionized water into the reactor, replace the reactor with steam, and evacuate the reactor to -0.08MPa;

[00...

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Abstract

The invention discloses high-stability styrene butadiene latex and a preparation method thereof. The styrene butadiene latex includes, by weight, 9900-10100 kg of deionized water, 4400-4600 kg of styrene, 6900-7100 kg of 1,3-butadiane, 340-360 kg of acrylic acid, 45-55 kg of an initiator, 20-30 kg of potassium chloride, 10-15 kg of an emulsifier, 180-220 kg of alkaline liquid, 15-25 kg of a terminating agent, 100-140 kg of mercaptan, 220-270 kg of seed gum and 70-80 kg of acrylamide. The preparation method includes the steps of performing a substrate synthesizing reaction, a polymerization reaction, a heat-preserved neutralizing reaction, and degassing and defoaming a reaction product, performing batch formation, and packaging a finish product. The styrene butadiene latex has good waterproofing property, is not liable to corrupt, is heat-resistant, is anti-aging and anti-oxidizing, has excellent stability, and is suitable for latex products, coating adhesive and the like industries.

Description

technical field [0001] The invention relates to latex, in particular to a highly stable styrene-butadiene latex and a preparation method thereof. Background technique [0002] SBR latex is a stable emulsion formed by polymerization of butadiene and styrene at low temperature. Widely used in industrial sectors such as printing and dyeing, latex products, fiber fabric impregnation, tire impregnation, paint adhesives, etc. The particles of styrene-butadiene latex are much smaller than natural latex, without protein and other substances, easy to penetrate, not easy to rot, and heat-resistant , Anti-aging, but the stability is not high, easily affected by heavy metal ions. Contents of the invention [0003] The object of the present invention is to provide a heat-resistant, aging-resistant, high-stability styrene-butadiene latex and a preparation method thereof, to solve the problems raised in the above-mentioned background technology. [0004] To achieve the above object, th...

Claims

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Application Information

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IPC IPC(8): C08F236/10C08F220/06C08F220/56
Inventor 张银华朱廷顺
Owner 杭州道淳信息咨询有限公司
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