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Toy shell material with controllable mechanical properties, and preparation method thereof

A shell material and performance technology, which is applied in the field of toy shell materials with controllable mechanical properties and their preparation, can solve the problems of easy bursting, difficulty in knocking, and shells that cannot be knocked out, and achieves the effect of optimizing process parameters and shortening injection molding cycle.

Pending Publication Date: 2019-04-19
PACIFIC INDAL ZHONGSHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the toy shell material in the prior art has the following disadvantages: it is difficult to knock, and the shell cannot be broken after half an hour of knocking, and it is easy to burst when doing a simulated transportation test, and the fragments after bursting are relatively sharp, which is easy to cause children to scratch

Method used

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  • Toy shell material with controllable mechanical properties, and preparation method thereof
  • Toy shell material with controllable mechanical properties, and preparation method thereof

Examples

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preparation example Construction

[0035] A method for preparing a toy shell material with controllable mechanical properties, comprising:

[0036] Component A granulation step: Add the EVA, zinc stearate and calcium carbonate in the formula amount into the mixer, stir evenly, then pour into the extruder to extrude the strands, after cooling, divide and cut into granules, get particle A;

[0037] Component B granulation steps: put calcium carbonate, silicon oxide, lubricant and EVA in the formula into the mixer, stir evenly, then pour into the extruder to extrude the strands, after cooling, cut into Particles, get Particle B;

[0038] Injection molding step: add granule A and granule B into a mixer according to the formula ratio, stir evenly, and then pour into an injection molding machine for injection molding to obtain a toy shell material with controllable mechanical properties.

[0039] As a further embodiment, in the granulation step of component A, the stirring speed of the mixer is controlled to be 50-...

Embodiment 1

[0045] A toy shell material with controllable mechanical properties, prepared from component A and component B; the weight ratio of component A to component B is 1:1; wherein,

[0046] Component A includes the following ingredients by mass percentage: EVA 20%, zinc stearate 3%, calcium carbonate 77%;

[0047] Component B includes the following components in terms of mass percentage: 45% of calcium carbonate, 25% of silicon oxide, 10% of lubricant, and 20% of EVA.

[0048] A method for preparing a toy shell material with controllable mechanical properties, comprising:

[0049] Component A granulation step: Add the EVA, zinc stearate and calcium carbonate in the formula amount into the mixer, stir evenly, then pour into the extruder to extrude the strands, after cooling, divide and cut into granules, Granule A was obtained; the stirring speed of the mixer was controlled to be 100r / min, and the stirring time was 10 minutes; the temperature of zone 1 of the extruder was controlle...

Embodiment 2

[0053] A method for preparing a toy shell material with controllable mechanical properties, which is prepared from component A and component B; the weight ratio of component A to component B is 1:0.8; wherein,

[0054] Component A includes the following ingredients by mass percentage: EVA 18%, zinc stearate 2%, calcium carbonate 80%;

[0055] Component B includes the following components in terms of mass percentage: 42% of calcium carbonate, 24% of silicon oxide, 12% of lubricant, and 22% of EVA.

[0056] A toy shell material with controllable mechanical properties, comprising:

[0057] Component A granulation step: Add the EVA, zinc stearate and calcium carbonate in the formula amount into the mixer, stir evenly, then pour into the extruder to extrude the strands, after cooling, divide and cut into granules, Granule A was obtained; the stirring speed of the mixer was controlled to be 200r / min, and the stirring time was 8 minutes; the temperature of zone 1 of the extruder was...

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Abstract

The invention discloses a toy shell material with controllable mechanical properties. The toy shell material is prepared from a component A and a component B; a weight ratio of the component A to thecomponent B is 1:(0.8-1.2); the component A comprises, by mass, 18-22% of EVA, 2-4% of zinc stearate and 74-88% of calcium carbonate; and the component B comprises, by mass, 42-48% of calcium carbonate, 24-30% of silica, 8-12% of a lubricant and 18-22% of the EVA. The invention also discloses a preparation method of the toy shell material with controllable mechanical properties. The toy shell material can be easily broken by striking, is not prone to easily crack during transportation when used to package finished products, and has no sharp points or edges after being broken in order to avoidscratches of children.

Description

technical field [0001] The invention relates to a toy shell material, in particular to a toy shell material with controllable mechanical properties and a preparation method thereof. Background technique [0002] Toy eggshell is a toy that allows children to experience the egg hatching process. It is very mysterious and can fully stimulate children's desire to explore. The toy eggshell is sealed and packaged before hatching. When hatching, it takes more than 10 minutes to hatch (that is, the doll inside the eggshell applies external force to knock the inner wall of the eggshell), so that the outer shell of the toy eggshell gradually breaks, revealing the hidden inside. doll. However, the toy shell material in the prior art has the following disadvantages: it is difficult to beat, and the shell cannot be broken after half an hour of knocking, and it is easy to burst when doing a simulated transportation test. The fragments after bursting are relatively sharp, which is easy to...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08K5/098C08K3/26C08K3/34
CPCC08L23/0853C08L2205/025C08K2003/265C08K5/098C08K3/26C08K3/34
Inventor 杨兵唐勇
Owner PACIFIC INDAL ZHONGSHAN
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