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Composite viscosity-reduction plastic slipping agent

A slip agent and plastic technology, applied in the field of opening agents, can solve the problems of poor viscosity reduction and slippery effect, and achieve the effect of improving the viscosity reduction and slippery effect, improving the slippery effect and reducing the cohesion.

Inactive Publication Date: 2019-07-12
张永华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a compound viscosity-reducing plastic slip agent in view of the problem that currently commonly used slip agents have poor viscosity-reducing and smoothing effects on plastic surfaces

Method used

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  • Composite viscosity-reduction plastic slipping agent

Examples

Experimental program
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Effect test

preparation example Construction

[0028] The preparation method of composite base material, comprises the steps:

[0029] (1) Mix vinylimidazole, 2-acrylamido-2-methylpropanesulfonic acid and octadecyl methacrylate in a reaction kettle at 45~60°C according to the mass ratio of 1~3:1:5, and pass through Into nitrogen protection, magnetic stirring at 400~700r / min for 30~60min, adding vinylimidazole mass 6~10% additive, heating up to 35~45°C, stirring and mixing for 30~55min to obtain a mixture, the mixture is taken at a mass ratio of 100 : 1~4 add initiator and mix, keep warm at 65~80°C for 2~5h, filter, take filter residue and dry in oven at 65~85°C for 4~8h to obtain dried product;

[0030] (2) In terms of parts by weight, take 10~15 parts of polyacrylamide, 2~5 parts of emulsifier, 1~4 parts of crosslinking agent, 40~60 parts of water, first take polyacrylamide and water at 30~45℃ Reactor mixing, stirring and mixing at 400~700r / min for 40~60min, then adding emulsifier and crosslinking agent, stirring and dis...

Embodiment 1

[0037] Emulsifier: Mix polyoxyethylene oleate and dodecyl dimethyl betaine at a mass ratio of 2:1 to obtain an emulsifier.

[0038] Cross-linking agent: Mix N, N-methylenebisacrylamide and dicumyl peroxide at a mass ratio of 1:3 to obtain a cross-linking agent.

[0039] Reagent A: Mix sodium citrate, ammonium chloride, and PBS buffer solution with a pH of 7.2 at a mass ratio of 1:0.1:35 to obtain reagent A.

[0040] Reagent B: Mix 70% ethanol solution and acetone at a mass ratio of 12:5 to obtain Reagent B.

[0041] Additive: Mix polyvinylpyrrolidone and 8% NaOH solution at a mass ratio of 1:6 to obtain the additive.

[0042] Initiator: Mix dimethyl azobisisobutyrate and sodium persulfate at a mass ratio of 1:3 to obtain an initiator.

[0043] Auxiliary: Mix magnesium stearate and microcrystalline paraffin wax at a mass ratio of 2:1 to obtain the adjuvant.

[0044] The preparation method of composite base material, comprises the steps:

[0045] (1) At 45°C, take vinylimida...

Embodiment 2

[0053] Emulsifier: Mix polyoxyethylene oleate and dodecyl dimethyl betaine at a mass ratio of 4:1 to obtain an emulsifier.

[0054] Cross-linking agent: Mix N, N-methylenebisacrylamide and dicumyl peroxide at a mass ratio of 1:6 to obtain a cross-linking agent.

[0055] Reagent A: Mix sodium citrate, ammonium chloride, and PBS buffer solution with a pH of 7.6 at a mass ratio of 1:0.4:50 to obtain reagent A.

[0056] Reagent B: Mix ethanol solution with a volume fraction of 70% and acetone at a mass ratio of 18:5 to obtain reagent B.

[0057] Additive: Mix polyvinylpyrrolidone and 8% NaOH solution at a mass ratio of 1:10 to obtain the additive.

[0058] Initiator: Mix dimethyl azobisisobutyrate and sodium persulfate at a mass ratio of 1:5 to obtain an initiator.

[0059] Auxiliary: Mix magnesium stearate and microcrystalline paraffin wax at a mass ratio of 5:1 to obtain the adjuvant.

[0060] The preparation method of composite base material, comprises the steps:

[0061] (...

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Abstract

The invention discloses a composite viscosity-reduction plastic slipping agent, and belongs to the field of opening agents. According to the composite viscosity-reduction plastic slipping agent, a polymer is prepared from vinyl imidazole, 2-acrylamide-2-methylpropanesulfonic acid and octadecyl methacrylate, the degree of curing shrinkage of the plastic can be reduced, too high viscosity of the plastic in a preparation process and overlarge surface friction force after curing are avoided, cohesive force between macromolecular substances is reduced, and the slipping effect is improved; added vermiculite with a layered silicate structure acts on the plastic, viscosity reducing and slipping effects are improved, swine blood is treated to be emulsified and dispersed, besides, phospholipid molecules carry more negative charges and are adsorbed and wrapped on the surface of the plastic by cooperation with bacterial cellulose, the plastic and the phospholipid molecules repel each other due tocarrying of the same charges, so that higher-friction components formed on the cured surface of the plastic are damaged, and slipping performance of the plastic is improved. The problem of poor viscosity reducing and slipping effects of a current common slipping agent on the plastic surface is solved.

Description

technical field [0001] The invention relates to a compound viscosity-reducing plastic slippery agent, which belongs to the technical field of anti-blocking agents. Background technique [0002] Polyolefin film is widely used in food packaging, medical packaging, stationery packaging and agricultural film packaging. However, a vacuum is formed during the film blowing process, and the polymers between the two layers of film are entangled with each other. The film is easy to stick, difficult to open, and difficult to meet the needs of the packaging industry. The requirements for high-speed automatic filling operations affect the benefits of the packaging field and product quality. In order to prevent this phenomenon, a certain amount of slip agent is usually added to the plastic film. The principle is to form many fine and hard protrusions on the surface of the film. Air is easy to enter between the two layers of films, avoiding the formation of a vacuum between the two layers ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/26C08L33/10C08L29/04C08L91/06C08K5/20C08K5/098C08K3/34C08K7/00C08K13/04C08L23/08C08J5/18
CPCC08L33/26C08J5/18C08L2205/035C08J2323/08C08J2433/26C08L33/10C08L29/04C08L91/06C08K5/20C08K5/098C08K3/34C08K7/00C08K13/04
Inventor 张永华
Owner 张永华
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