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Application of modified boron nitride filled master batch enhanced polypropylene material, polypropylene material of modified boron nitride, and preparation method thereof

A technology of polypropylene material and filling masterbatch, which is applied in the field of modified boron nitride polypropylene material and its preparation, modified boron nitride filling masterbatch reinforced polypropylene material, which can solve the large shrinkage gap and material Large impact impact, deformation and warping of parts, etc., to achieve the effect of reducing agglomeration

Inactive Publication Date: 2018-05-04
ORINKO NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional automotive polypropylene materials mainly use talcum powder, calcium carbonate, glass fiber, etc. to improve the strength of the material. However, these fillings have their own shortcomings, such as calcium carbonate is spherical particles, the reinforcement effect is poor, the material shrinkage rate is large, and the impact is greatly reduced. Fast; talc powder is a flaky crystal, but because of its coarse particle size, it has a great impact on the impact of the material; glass fiber is a columnar filling with a large aspect ratio, which is very effective in improving tensile and bending strength, but the impact strength will be lower. At the same time, due to the anisotropy of the glass fiber, there is a large difference in the shrinkage rate of the material in different directions, resulting in deformation and warping of the workpiece

Method used

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  • Application of modified boron nitride filled master batch enhanced polypropylene material, polypropylene material of modified boron nitride, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The preparation method of modified boron nitride filling masterbatch: comprises the following steps:

[0020] 1) After adding 20 parts of nano boron nitride particles into the flask, add 10 parts of solvent toluene, heat to 100°C after ultrasonic dispersion for 5 hours, add 1 part of isophorone diisocyanate and 0.05 parts of catalyst (stannous octoate : triethylenediamine mass ratio 2:1) after heating to reflux for 8h, add 5 parts of stearic acid to continue the reaction for 8h. The supernatant was removed by centrifugation, and the solid in the lower layer was washed with toluene three times, stirred, and centrifuged to obtain a solid substance. The obtained solid matter was dried in a vacuum drying oven at a temperature of 120° C. and a vacuum pressure of -0.1 MP for 12 hours to obtain a dry solid, which was ground in a mortar to obtain modified boron nitride particles.

[0021] 2), get 60wt% modified boron nitride particles as the side feeding port of the small twin...

Embodiment 2

[0024] The preparation method of modified boron nitride filling masterbatch: comprises the following steps:

[0025] 1) After adding 10 parts of nano boron nitride particles into the flask, add 5 parts of solvent toluene, heat to 90°C after ultrasonic dispersion for 3 hours, add 1 part of isophorone diisocyanate and 0.01 part of catalyst (stannous octoate : triethylenediamine mass ratio 2:1) after heating to reflux for 5h, then add 2 parts of stearic acid to continue the reaction for 5h. The supernatant was removed by centrifugation, and the solid in the lower layer was washed twice with toluene, stirred, and centrifuged to obtain a solid substance. The obtained solid matter was dried in a vacuum drying oven at a temperature of 100° C. and a vacuum pressure of −0.08 MP for 10 h to obtain a dry solid, which was ground in a mortar to obtain modified boron nitride particles.

[0026] 2), get 40wt% modified boron nitride particles as the side feeding port of the small twin-screw ...

Embodiment 3

[0029] The preparation method of modified boron nitride filling masterbatch: comprises the following steps:

[0030] 1) After adding 15 parts of nano-boron nitride particles into the flask, add 8 parts of solvent toluene, heat to 95°C after ultrasonic dispersion for 4 hours, add 1 part of isophorone diisocyanate and 0.03 parts of catalyst (stannous octoate : triethylenediamine mass ratio 2:1) after heating to reflux for 6h, add 4 parts of stearic acid to continue the reaction for 5h. The supernatant was removed by centrifugation, and the solid in the lower layer was washed with toluene three times, stirred, and centrifuged to obtain a solid substance. The obtained solid matter was dried in a vacuum drying oven at a temperature of 100°C and a vacuum pressure of -0.09MP for 11 hours to obtain a dry solid, which was ground in a mortar to obtain modified boron nitride particles.

[0031] 2), get 50wt% modified boron nitride particles as the side feeding port of the small twin-scr...

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Abstract

The invention discloses an application of a modified boron nitride filled master batch enhanced polypropylene material, a polypropylene material of modified boron nitride, and a preparation method thereof. The modified boron nitride enhanced polypropylene material is composed of polypropylene resin, modified boron nitride filled master batch, a flexibilizer, an antioxidant, a weather resistant agent, and a lubricant. The prepared modified boron nitride enhanced polypropylene material has better properties such as melt index, ash content, tensile strength, elongation at break, bending strength,bending modulus, Charpy notched impact strength, and the like.

Description

technical field [0001] The invention relates to the technical field of polymer composite materials, in particular to the use of modified boron nitride filled masterbatch reinforced polypropylene material, the modified boron nitride polypropylene material and a preparation method thereof. Background technique [0002] With the depletion of oil resources, the displacement of automobiles is gradually decreasing, and new energy vehicles are developing rapidly. However, the power of small displacement and new energy vehicles is reduced. It is imperative that thin-walled materials are also an important development direction for automotive plastics. [0003] Traditional automotive polypropylene materials mainly use talcum powder, calcium carbonate, glass fiber, etc. to improve the strength of the material. However, these fillings have their own shortcomings, such as calcium carbonate is spherical particles, the reinforcement effect is poor, the material shrinkage rate is large, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08K9/04C08K3/38C08J3/22
CPCC08L23/12C08J3/226C08J2323/12C08J2423/12C08K2003/385C08K2201/011C08L2205/025C08L2205/03C08K9/04C08K3/38
Inventor 方超王刚康兴宾李荣群
Owner ORINKO NEW MATERIAL CO LTD