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A kind of preparation method of modified polypropylene composite toughening material

A composite toughening material, polypropylene technology, applied in the field of polypropylene, can solve the problems of poor impact resistance and poor polypropylene toughness, and achieve the effect of increasing synergy, improving impact resistance, and improving modulus and strength

Active Publication Date: 2017-03-01
河南达新源新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A common solution is to add nanoparticles, microparticles, fibers, etc. for modification. However, the addition of nanoparticles makes polypropylene less tough and impact-resistant

Method used

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  • A kind of preparation method of modified polypropylene composite toughening material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A method for preparing a modified polypropylene composite toughening material, comprising the following steps: step 1, taking water glass and an aqueous solution of ammonium pentaborate with a mass fraction of 10% according to a weight ratio of 1:1, mixing and stirring uniformly to obtain a mixed solution ,spare;

[0024] Step 2. Weigh the vulcanized rubber powder and the mixed solution prepared in step 1 according to the weight ratio of 1:2, and spray the vulcanized rubber powder and the mixed solution prepared in step 1 into the spray drying tower respectively to obtain microbeads. The beads are dried in a dryer at 300°C to obtain glass bead fillers for later use; wherein, the injection directions of the vulcanized rubber powder and the mixed solution are set oppositely; the inlet temperature of the drying tower is 420°C, and the outlet temperature is 160°C;

[0025] Step 3: Weigh the microcapsule powder, kaolin powder and absolute ethanol according to the weight rati...

Embodiment 2

[0032] A method for preparing a modified polypropylene composite toughening material, comprising the following steps: step 1, taking water glass and an aqueous solution of ammonium pentaborate with a mass fraction of 10% according to a weight ratio of 1:1, mixing and stirring uniformly to obtain a mixed solution ,spare;

[0033] Step 2. Weigh the vulcanized rubber powder and the mixed solution prepared in step 1 according to the weight ratio of 1:2, and spray the vulcanized rubber powder and the mixed solution prepared in step 1 into the spray drying tower respectively to obtain microbeads. The beads are dried in a dryer at 300°C to obtain glass microbead fillers for later use; wherein, the injection directions of the vulcanized rubber powder and the mixed solution are set opposite to each other; the inlet temperature of the drying tower is 400°C, and the outlet temperature is 150°C;

[0034] Step 3. Weigh the microcapsule powder, kaolin powder and absolute ethanol according t...

Embodiment 3

[0040] A method for preparing a modified polypropylene composite toughening material, comprising the following steps: firstly, according to the method of step 1 and step 2 of Example 2, glass microsphere fillers are prepared for use; secondly, according to who 2, step 3 and The method of step 4 is to prepare kaolin microcapsule powder for future use; thirdly, mix the silane coupling agent and potassium hexatitanate whiskers in a weight ratio of 2:100 to prepare whisker reinforcing materials for future use; fourth , take by weighing 70% polypropylene matrix, 4% maleic anhydride grafted polypropylene, 0.5% phosphite antioxidant and 1.5% simethicone oil respectively, according to the conditions of embodiment 2 step 6, prepare The mixture pellets are obtained for subsequent use; the 5th, the mixture pellets are added in the two-roll mill, the front roller temperature of the two-roll mill is set to 180°C, and the rear roller temperature is set to 175°C, and the mixture pellets are c...

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Abstract

A modified polypropylene composite toughening material comprises 60%-73% of a polypropylene matrix, 4%-13% of a whisker reinforced material, 4%-5% of erucic acid amide, 6%-10% of glass bead filler, 2%-5% of kaolin microcapsule powder, 4%-4.5% of talcum powder, 4%-4.5% of a compatilizer, 0.5%-1% of an antioxidant and 1.5%-2% of a lubricating agent, wherein the whisker reinforced material is formed by mixing a silane coupling agent and potassium hexatitanate whisker whose weight ratio is 2:100. The preparation process is simple. A polymer (polypropylene) / rigid interface layer (glass bead filler) / reinforcement (whisker reinforced material) three-phase composite system is formed by the composite toughening material, the rigidity and the wear resistance are improved, and the use range of polypropylene is extended. Various raw materials are adopted, and the modified polypropylene composite toughening material is relatively environment-friendly and has low environmental pollution; meanwhile, the adopted raw materials are cheap, the overall cost of the system is reduced, and the cost advantage of the composite toughening material is remarkable.

Description

technical field [0001] The invention relates to the technical field of polypropylene, in particular to a preparation method of a modified polypropylene composite toughening material. Background technique [0002] Polypropylene is the plastic with the fastest growing consumption among general-purpose thermoplastics. It has the following advantages: excellent mechanical properties, good electrical insulation and processability, high chemical stability, and high heat distortion temperature; Ethylene is good and has low production cost, so it is widely used in home appliances, packaging, chemicals, automobiles and other fields. Its output ranks third in general-purpose plastics, second only to polyethylene and polyvinyl chloride. The disadvantages of polypropylene are that its toughness and modulus are average, its low-temperature impact performance is poor, it is easy to age, and its antistatic property, weather resistance and dyeability are poor, and its wear resistance is lim...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08L51/06C08K13/06C08K7/08C08K7/20C08K5/20C08K3/34B29C47/92B29C48/92
CPCB29B9/06B29C48/92B29C2948/9258B29C2948/92704C08L23/12C08L2205/03C08L2205/08C08L2205/24C08L51/06C08L83/04C08K13/06C08K9/10C08K9/06C08K7/08C08K7/20C08K5/20C08K3/346C08K3/34
Inventor 郭福全
Owner 河南达新源新材料有限公司
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