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Novel nano calcium carbonate for degradable plastic films and preparation method of novel nano calcium carbonate

A technology of nano-calcium carbonate and plastic film, applied in the field of nano-calcium carbonate, can solve the problems of poor polymer affinity, decreased material properties, uneven dispersion of polymers, etc., and achieves suitable viscosity, improved performance, The effect of improving surface properties

Pending Publication Date: 2021-04-13
耒阳市百汇粉体有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the use of the new nano-calcium carbonate of degradable plastic film, the surface of the nano-calcium carbonate is strongly polarized, unevenly dispersed in the polymer, and the affinity with the polymer is not good, so that the interface between the two materials The appearance of defects leads to the degradation of material properties, and the more the filling amount is, the more obvious these defects are

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A novel nano-calcium carbonate for degradable plastic film and its preparation method, the following raw materials in parts by weight: 7-10 parts of calcium carbonate, 3-5 parts of calcium oxide, 3-9 parts of graphene, 3 parts of EPDM rubber -7 parts, 2-6 parts of coupling agent, 8-14 parts of activator, 1-5 parts of ionic liquid, 3 parts of polyethylene wax calcium carbonate masterbatch, appropriate amount of water.

[0026] In this implementation, the EPDM rubber is one or a mixture of two or more of ethylene, propylene and non-conjugated dienes.

[0027] In this embodiment, the coupling agent is one or a mixture of two or more of silane coupling agents, titanate coupling agents and aluminate coupling agents.

[0028] In this implementation, the activator is one or a mixture of two or more of sodium carbonate, sodium acrylate, vinylpyridine copolymer, glycerol triacetate and glycidyloxypropyltrimethoxysilane.

[0029] In this implementation, the ionic liquid is one o...

Embodiment 2

[0033] A novel nano-calcium carbonate for degradable plastic film and its preparation method, the following raw materials in parts by weight: 7-10 parts of calcium carbonate, 3-5 parts of calcium oxide, 3-9 parts of graphene, 3 parts of EPDM rubber -7 parts, 2-6 parts of coupling agent, 8-14 parts of activator, 1-5 parts of ionic liquid, 4 parts of polyethylene wax calcium carbonate masterbatch, appropriate amount of water.

[0034] In this implementation, the EPDM rubber is one or a mixture of two or more of ethylene, propylene and non-conjugated dienes.

[0035] In this embodiment, the coupling agent is one or a mixture of two or more of silane coupling agents, titanate coupling agents and aluminate coupling agents.

[0036] In this implementation, the activator is one or a mixture of two or more of sodium carbonate, sodium acrylate, vinylpyridine copolymer, glycerol triacetate and glycidyloxypropyltrimethoxysilane.

[0037] In this implementation, the ionic liquid is one o...

Embodiment 3

[0041] A novel nano-calcium carbonate for degradable plastic film and its preparation method, the following raw materials in parts by weight: 7-10 parts of calcium carbonate, 3-5 parts of calcium oxide, 3-9 parts of graphene, 3 parts of EPDM rubber -7 parts, 2-6 parts of coupling agent, 8-14 parts of activator, 1-5 parts of ionic liquid, 5 parts of polyethylene wax calcium carbonate masterbatch, appropriate amount of water.

[0042] In this implementation, the EPDM rubber is one or a mixture of two or more of ethylene, propylene and non-conjugated dienes.

[0043] In this embodiment, the coupling agent is one or a mixture of two or more of silane coupling agents, titanate coupling agents and aluminate coupling agents.

[0044] In this implementation, the activator is one or a mixture of two or more of sodium carbonate, sodium acrylate, vinylpyridine copolymer, glycerol triacetate and glycidyloxypropyltrimethoxysilane.

[0045] In this implementation, the ionic liquid is one o...

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Abstract

The invention discloses novel nano calcium carbonate for degradable plastic films and a preparation method of the novel nano calcium carbonate. The novel nano calcium carbonate is prepared from the following raw materials in parts by weight: 7-10 parts of calcium carbonate, 3-5 parts of calcium oxide, 3-9 parts of graphene, 3-7 parts of ethylene propylene diene monomer, 2-6 parts of a coupling agent, 8-14 parts of an activating agent, 1-5 parts of ionic liquid, 3-8 parts of polyethylene wax calcium carbonate master batch and a proper amount of water. The invention relates to the technical field of nano calcium carbonate, and the charge characteristic of the calcium carbonate can be enhanced through the calcium carbonate, the calcium oxide, the graphene, the ethylene propylene diene monomer, the coupling agent, the activating agent, the ionic liquid and the polyethylene wax calcium carbonate master batch, so that agglomeration is prevented, the dispersity is improved, and the affinity of the material is further improved.

Description

technical field [0001] The invention relates to the technical field of nano-calcium carbonate, in particular to a novel nano-calcium carbonate used for degradable plastic films and a preparation method thereof. Background technique [0002] Nano-calcium carbonate refers to calcium carbonate with a primary particle size between 0.02-0.1 μm. It was first developed in Japan and is the cheapest material. It has special quantum size effects, small size effects, and surface effects. Compared with conventional powder materials, it shows obvious advantages in reinforcement, transparency, dispersion, thixotropy and leveling, especially active ultrafine calcium carbonate, which has the characteristics of functional fillers. [0003] During the use of the new nano-calcium carbonate of degradable plastic film, the surface of the nano-calcium carbonate is strongly polarized, unevenly dispersed in the polymer, and the affinity with the polymer is not good, so that the interface between th...

Claims

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Application Information

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IPC IPC(8): C08K13/02C08K3/26C08K3/22C08K3/04C08K5/54C08K5/10C08K5/098C08K5/103C08K5/5435C08L23/16C08L23/06C08L23/12C08L39/08C08J5/18
CPCC08J5/18C08K3/22C08K3/26C08K5/098C08K5/10C08K5/103C08K5/3445C08K5/54C08K5/5435C08K13/02C08K2003/2206C08K2003/262C08K2003/265C08K2201/011C08L23/06C08L23/12C08L23/16C08L39/08C08K3/042
Inventor 龚尚文曹玉林
Owner 耒阳市百汇粉体有限公司
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