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Heat insulation material for cold-chain logistics and preparation method thereof

A technology of thermal insulation materials and cold chain logistics, applied in the field of thermal insulation materials and its preparation, can solve the problems of poor safety and environmental protection, large deformation coefficient, poor thermal insulation effect, etc., and achieve improved weather resistance and aging resistance, flame retardancy and durability Good low temperature performance and good heat preservation effect

Inactive Publication Date: 2019-11-01
HUNAN QIWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic thermal insulation materials have good thermal insulation effect, and have light weight, good processability and high density, but they are not resistant to aging, have a large deformation coefficient, poor stability, and poor safety and environmental protection; inorganic thermal insulation materials have better fire resistance and anti-aging High performance, long service life, small deformation coefficient, stable performance, but slightly poor insulation effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A thermal insulation material for cold chain logistics, made of the following raw materials in parts by weight: 4 parts of N-vinyl o-phenylimine, 2 parts of 2-vinyl-1H-benzimidazole, 2-vinyl- 10 parts of 4,6-diamino-1,3,5-triazine / carboxyl-terminated polyurethane polycondensate, 0.5 parts of allyl pentafluorobenzene, 0.5 parts of vinyltrimethoxysilane, 0.5 parts of sodium dodecylsulfonate 1 part, 1 part of magnesium hydroxide, 0.1 part of triazine-based micro-nano ball rod, and 0.4 part of azobisisobutyronitrile.

[0026] The preparation method of the 2-vinyl-4,6-diamino-1,3,5-triazine / carboxyl-terminated polyurethane polycondensate comprises the following steps: 2-vinyl-4,6-diamino-1 , 3,5-triazine, carboxyl-terminated polyurethane, phenylphosphoric acid, 2-ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline, tetrachlorobenzoquinone, dimethyl sulfoxide were added to the high-pressure reaction In the autoclave, fill the autoclave with nitrogen, raise the temperature to 150°C,...

Embodiment 2

[0030] An insulation material for cold chain logistics, made of the following raw materials in parts by weight: 4.3 parts of N-vinyl o-phenylimine, 2.5 parts of 2-vinyl-1H-benzimidazole, 2-vinyl- 13 parts of 4,6-diamino-1,3,5-triazine / carboxyl-terminated polyurethane condensation polymer, 0.8 part of allyl pentafluorobenzene, 0.8 part of vinyltrimethoxysilane, sodium sulfate of fatty alcohol polyoxyethylene ether 0.7 parts, 1.5 parts of calcium hydroxide, 0.15 parts of triazine-based micro-nano ball rods, and 0.55 parts of azobisisoheptanonitrile.

[0031] The preparation method of the 2-vinyl-4,6-diamino-1,3,5-triazine / carboxyl-terminated polyurethane polycondensate comprises the following steps: 2-vinyl-4,6-diamino-1 ,3,5-triazine, carboxyl-terminated polyurethane, phenylphosphinic acid, 2-ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline, 1,4-naphthoquinone, N,N-dihydroquinone Add methylformamide into the autoclave, fill the autoclave with helium, raise the temperature to 155°C...

Embodiment 3

[0035] A thermal insulation material for cold chain logistics, made of the following raw materials in parts by weight: 4.5 parts of N-vinyl o-phenylimine, 3 parts of 2-vinyl-1H-benzimidazole, 2-vinyl- 15 parts of 4,6-diamino-1,3,5-triazine / carboxyl-terminated polyurethane condensation polymer, 1.3 parts of allyl pentafluorobenzene, 1.2 parts of vinyltrimethoxysilane, 1 part of sodium bicarbonate, sea foam 2 parts of stone, 0.2 part of triazine-based micro-nano ball stick, and 0.55 part of benzoyl peroxide.

[0036] The preparation method of the 2-vinyl-4,6-diamino-1,3,5-triazine / carboxyl-terminated polyurethane polycondensate comprises the following steps: 2-vinyl-4,6-diamino-1 , 3,5-triazine, carboxyl-terminated polyurethane, triphenyl phosphate, 2-ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline, tetrachlorobenzoquinone, N-methylpyrrolidone added Into the autoclave, fill the autoclave with neon gas, raise the temperature to 160°C, maintain a constant pressure under the pressure...

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PUM

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Abstract

The invention discloses a heat insulation material for cold-chain logistics. The composition is characterized by being prepared from the following raw materials in parts by weight: 4-5 parts of N-vinyl-o-phenyleneimine, 2-4 parts of 2-vinyl-1H-benzimidazole, 10-20 parts of a 2-vinyl-4,6-diamino-1,3,5-triazine / carboxyl-terminated polyurethane polycondensate, 0.5-2 parts of allyl pentafluorobenzene,0.5-2 parts of vinyltrimethoxysilane, 0.5-1.5 parts of a foaming agent, 1-3 parts of inorganic micro-nano particles, 0.1-0.3 part of a triazinyl micro-nano ball rod and 0.4-0.7 part of an initiator.The invention also discloses a preparation method of the heat insulation material for cold-chain logistics. The heat insulation material has the advantages of better thermal insulation effect, more excellent mechanical properties, aging resistance and weather resistance, and better flame retardancy and low temperature resistance.

Description

technical field [0001] The invention relates to the technical field of modern cold chain logistics, in particular to a thermal insulation material applied to cold chain logistics and a preparation method thereof. Background technique [0002] The cold chain refers to certain food raw materials, processed food or semi-finished products, special biological products and pharmaceuticals after they are purchased, processed and inactivated, during the process of product processing, storage, transportation, distribution, retail and use. The link is always in the specific low temperature environment necessary for the product to reduce loss, prevent pollution and deterioration, and ensure the special supply chain system of product food safety, biological safety, and drug safety. Modern cold chain logistics is the logistics using this cold chain technology. It is established with the advancement of science and technology and the development of refrigeration technology. It is a low-tem...

Claims

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Application Information

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IPC IPC(8): C08L75/14C08K13/02C08K5/3417C08K5/3447C08K5/03C08K5/5425C08K5/3492C08J9/30C08J9/08
CPCC08J9/0014C08J9/0019C08J9/0028C08J9/0042C08J9/0095C08J9/08C08J9/30C08J2203/02C08J2375/14
Inventor 周妍蕾曾言俊
Owner HUNAN QIWEI TECH CO LTD
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