Nano particle strengthened polyurethane foam plastic and preparation method thereof

A foamed plastic and nanoparticle technology, applied in the field of materials, can solve the problems of poor temperature resistance and fire resistance, shortage of raw materials, and high price of polyurethane foam, so as to expand the superior performance, make up for the compression resistance and high temperature resistance. Effect

Inactive Publication Date: 2015-10-14
SUZHOU POLYMER NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition to the high price and shortage of raw materials, polyurethane foam plastics have the biggest disadvantages of poor heat resistance and fire resistance, and it is unfavorable to use them in environments with temperatures higher than 100 °C.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of nanoparticle reinforced polyurethane foam, prepared from the following raw materials in parts by weight:

[0023] 90 parts of polyurethane emulsion, 3 parts of nano-nickel powder, 10 parts of nano-calcium carbonate, 8 parts of potassium persulfate, 6 parts of nano-zinc oxide, 10 parts of tetraethyl orthosilicate and 6 parts of zinc sulfurized carbamate.

[0024] A preparation method of nanoparticle reinforced polyurethane foam, the preparation steps are as follows:

[0025] (1) Accurately weigh each raw material;

[0026] (2) Mix the raw materials evenly and put them into the injection molding machine for molding. The barrel temperature is 125°C, the injection pressure is 85Mpa, the mold temperature is 65°C, the holding time is 65s, and the cooling time is 100s;

[0027] (3) After being cooled and molded by the injection molding machine, the polyurethane foam reinforced with nanoparticles can be obtained.

[0028] Test the properties of polyurethane foam rei...

Embodiment 2

[0030] A kind of nanoparticle reinforced polyurethane foam, prepared from the following raw materials in parts by weight:

[0031] 70 parts of polyurethane emulsion, 1 part of nano-nickel powder, 5 parts of nano-calcium carbonate, 3 parts of potassium persulfate, 2 parts of nano-zinc oxide, 5 parts of tetraethyl orthosilicate and 2 parts of zinc sulfurized urethane.

[0032] A preparation method of nanoparticle reinforced polyurethane foam, the preparation steps are as follows:

[0033] (1) Accurately weigh each raw material;

[0034] (2) Mix the raw materials evenly and put them into the injection molding machine for molding. The barrel temperature is 125°C, the injection pressure is 70Mpa, the mold temperature is 65°C, the holding time is 65s, and the cooling time is 100s;

[0035] (3) After being cooled and molded by the injection molding machine, the polyurethane foam reinforced with nanoparticles can be obtained.

[0036] Test the performance of nanoparticle-enhanced po...

Embodiment 3

[0038] A kind of nanoparticle reinforced polyurethane foam, prepared from the following raw materials in parts by weight:

[0039] 75 parts of polyurethane emulsion, 2 parts of nano-nickel powder, 6 parts of nano-calcium carbonate, 5 parts of potassium persulfate, 3 parts of nano-zinc oxide, 6 parts of ethyl orthosilicate and 4 parts of zinc sulfurized urethane.

[0040] A preparation method of nanoparticle reinforced polyurethane foam, the preparation steps are as follows:

[0041] (1) Accurately weigh each raw material;

[0042] (2) Mix the raw materials evenly and put them into the injection molding machine for molding. The barrel temperature is 125°C, the injection pressure is 75Mpa, the mold temperature is 65°C, the holding time is 55s, and the cooling time is 100s;

[0043] (3) After being cooled and molded by the injection molding machine, the polyurethane foam reinforced with nanoparticles can be obtained.

[0044] Test the performance of nanoparticle-enhanced polyur...

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Abstract

The invention discloses a nano particle strengthened polyurethane foam plastic and a preparation method thereof, and belongs to the technical field of materials. The foam plastic is composed of the following raw materials in parts by weight: 70 to 90 parts of polyurethane emulsion, 1 to 3 parts of nano nickel powder, 5 to 10 parts of nano calcium carbonate, 3 to 8 parts of potassium persulfate, 2 to 6 parts of nano zinc oxide, 5 to 10 parts of ethyl orthosilicate, and 2 to 6 parts of vulcanized zinc carbamate. The preparation method comprises the following steps: (1) weighing; (2) putting the raw materials into an injection moulding machine; (3) cooling and moulding. The advantages of polyurethane foam plastic are further enhanced by the nano particles, and the physical properties and high temperature resistant performance are improved at the same time.

Description

technical field [0001] The invention belongs to the technical field of materials, in particular to a nano particle reinforced polyurethane foam and a preparation method thereof. Background technique [0002] Polyurethane foam is made of isocyanate and hydroxyl compound through polymerization and foaming. According to its hardness, it can be divided into two types: soft and hard, of which soft is the main variety. Generally speaking, it has excellent elasticity, softness, elongation and compressive strength; good chemical stability, resistance to many solvents and oils; excellent abrasion resistance, 20 times larger than natural sponge; and excellent processing It is a kind of cushioning material with excellent performance, but the price is relatively high. [0003] In addition to the high price and shortage of raw materials, polyurethane foam plastics have the biggest disadvantage of poor heat resistance and fire resistance, and it is unfavorable to use them in environments...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/04C08K13/02C08K3/08C08K3/26C08K3/22C08K5/39B29C45/00
Inventor 翟红波杨振枢韦洪屹
Owner SUZHOU POLYMER NEW MATERIALS TECH
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