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Compound tackifier for polyester type composite and preparation and application of compound tackifier

A composite tackifier and composite material technology, which is applied in the manufacture and application of composite tackifiers, can solve problems such as cost equality, achieve environmental protection prices, improve comprehensive utilization levels, and have good mechanical properties

Inactive Publication Date: 2015-07-22
吴先国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But with phthalates banned in consumer products in many countries, there is a need for alternatives to other safe, non-toxic plasticizers at a comparable cost

Method used

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  • Compound tackifier for polyester type composite and preparation and application of compound tackifier
  • Compound tackifier for polyester type composite and preparation and application of compound tackifier
  • Compound tackifier for polyester type composite and preparation and application of compound tackifier

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-3

[0025] Table 1 Comparison of mechanical properties of composites prepared from MAPTMS and MAPTMS / silane by-product blends

[0026]

Embodiment 1

[0027] Examples 1-3 are all two-component formulations, binary blends of MAPTMS and vinyl silane by-products. The average fracture flexural strength and average flexural elastic modulus of the composite materials prepared by using formulas 1, 2 and 3 as silane coupling agents are shown in the above table respectively. When MAPTMS adds a small amount of vinyl silane by-products, as in Example 1, the complete fracture strength of the material is improved to a certain extent, while the complete elastic modulus is basically unchanged (slightly decreased), showing that the steric hindrance has improved the effective effect of MAPTMS. Bridging. And adding more vinyl silane by-products, as in Example 3, the concentration of MAPTMS decreased significantly, resulting in a decrease in the bridging effect. This result is in line with initial predictions.

Embodiment 4-6

[0029] Table 2 Comparison of mechanical properties of composites prepared by MAPTMS and MAPTMS / silane by-product secondary addition blends

[0030]

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PUM

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Abstract

The invention discloses a compound tackifier for polyester type composite and preparation and application of the compound tackifier. The compound tackifier consists of 3-trimethoxysilyl-propyl-methacrylate, silicane byproduct and secondary product prepared from silicane byproducts. The product can effectively improve the mechanical strength of polyester type composite; when the compound tackifier is used for producing polyester type artificial stone, 92 parts by weight of 400-mesh quartz powder, 8 parts by weight of unsaturated polyester resin and 0.46 part by weight of a compound tackifier are used to be cured at 100 DEG C for 1 hour, and as compared with the product prepared from 3-trimethoxysilyl-propyl-methacrylate by using similar formula and same proportion, the bending strength of the formed artificial stone is improved by 5.5% to be 44.71 MPa, and the elastic modulus is increased by 2.5% to be 29.23 GPa; the compound tackifier has the advantages of being nontoxic, safe, environment-friendly and low in cost.

Description

technical field [0001] The invention relates to a composite tackifier for polyester composite materials, a preparation method and application thereof, and belongs to the technical field of manufacture and application of the composite tackifier. Background technique [0002] Polyester-type composite materials use unsaturated polyester resin as a binder, and mix with natural marble gravel, quartz sand, calcite, stone powder or other inorganic fillers in a certain proportion, and then add tackifier, catalyst, curing agent, pigment And other admixtures are processed through mixing and stirring, curing molding, demoulding and drying, surface polishing and other processes, and are widely used in the manufacture of kitchen and bathroom products, factories and laboratory operating platforms. [0003] As a bridging agent between organic resin and inorganic filler, silane coupling agent can effectively improve the impact strength and bending strength of polymer composite materials, an...

Claims

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Application Information

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IPC IPC(8): C08L67/06C08K9/10C08K9/06C08K5/5425C08K3/36
Inventor 吴先国
Owner 吴先国
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