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Resin paint slag-containing PVC (Polyvinyl Chloride) foam composite material and preparation method thereof

A composite material and resin paint technology, which is applied in the field of PVC foam composite material containing resin paint slag and its preparation, can solve the problems of small profit margin, low cost performance, and incompatible market demand, so as to improve cost performance and increase interface integration Sexuality, solve the effect of high disposal costs of manufacturers

Inactive Publication Date: 2018-01-19
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned foaming materials have disadvantages such as low cost performance and small profit margins, which do not meet market demand.

Method used

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  • Resin paint slag-containing PVC (Polyvinyl Chloride) foam composite material and preparation method thereof
  • Resin paint slag-containing PVC (Polyvinyl Chloride) foam composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034]This embodiment provides a method for preparing a PVC foam composite material. The PVC foam composite material utilizes alkyd resin slag to prepare a PVC foam composite material that meets the national standard, so that the alkyd resin slag can be reused.

[0035] 1) Mix azobisisobutyronitrile, azodicarbonamide, methyl silicone oil and nanocomposite nucleating agent according to the mass ratio of azobisisobutyronitrile 80%, azodicarbonamide 16%, methyl silicone oil 2% , mixed with a ratio of 2% of the nanocomposite nucleating agent, and mixed uniformly with a grinder to obtain a compound foaming agent.

[0036] Among them, in this embodiment, the nanocomposite nucleating agent is a mixture of nano calcium carbonate, nano zinc oxide and halloysite nanotubes. According to the mass ratio, nano calcium carbonate accounts for 66% (m / m), and nano zinc oxide accounts for 17%. % (m / m), halloysite nanotubes accounted for 17% (m / m);

[0037] The methyl silicone oil is a foam stab...

Embodiment 2

[0046] This embodiment provides a method for preparing a PVC foam composite material. The PVC foam composite material utilizes epoxy resin slag to prepare a PVC foam composite material that meets national standards, so that the epoxy resin slag can be reused.

[0047] 1) Azobisisobutyronitrile, azodicarbonamide, methylphenyl silicone oil and nano-nucleating agent are mixed according to the mass ratio of azobisisobutyronitrile 65%, azodicarbonamide 13%, methylphenyl 8% of silicone oil and 14% of nano-nucleating agent are mixed, and mixed evenly with a grinder to obtain a compound foaming agent.

[0048] Among them, in this embodiment, the nanocomposite nucleating agent is a mixture of nano calcium carbonate, nano zinc oxide and halloysite nanotubes. According to the mass ratio, nano calcium carbonate accounts for 50% (m / m), and nano zinc oxide accounts for 25%. % (m / m), halloysite nanotubes account for 25% (m / m);

[0049] The methyl phenyl silicone oil is a foam stabilizer.

...

Embodiment 3

[0058] This embodiment provides a method for preparing a PVC foam composite material. The PVC foam composite material utilizes polyurethane resin slag to prepare a PVC foam composite material that meets national standards, so that the polyurethane resin slag can be reused.

[0059] 1) Azobisisobutyronitrile, azodicarbonamide, ethyl silicone oil and nano-nucleating agent are mixed according to the mass ratio of azobisisobutyronitrile 75%, azodicarbonamide 15%, ethyl silicone oil 8%, Mix 2% of the nano-nucleating agent, and then use a grinder to mix evenly to obtain a compound foaming agent.

[0060] Wherein, in the present embodiment, the nano-nucleating agent is a mixture of nano-calcium carbonate, nano-zinc oxide and nano-montmorillonite. According to the mass ratio, nano-calcium carbonate accounts for 66%, nano-zinc oxide accounts for 17%, and nano-montmorillonite accounts for 17%;

[0061] The ethyl silicone oil is a foam stabilizer.

[0062] 2) Mix 100 parts of composite...

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Abstract

The invention discloses a resin paint slag-containing PVC (Polyvinyl Chloride) foam composite material and a preparation method thereof, and belongs to the technical field of preparation of PVC foam composite materials and reutilization of resin paint slag. A hard cross-linked PVC foam composite material with the density of 40 to 200 kg / m<3>, the compressive strength of 0.5 to 5.0 MPa and the shearing strength of 0.4 to 3.5 MPa is prepared by mixing recycled resin paint slag serving as a modifying agent, PVC, isocyanate, epoxy resin, a foaming agent and inorganic filler by adopting a mould pressing and water boiling secondary foaming process; the hard cross-linked PVC foam composite material can serve as a core material of a composite material of a sandwich structure, and can be widely applied to the fields, such as buildings, recreational equipment and traffic transportation. According to the resin paint slag-containing PVC foam composite material and the preparation method thereof, the problems of secondary environment pollution caused by the resin paint slag and high treatment cost of a factory are effectively solved; compared with the conventional PVC foam material, the resin paint slag-containing PVC foam composite material has the advantages of low cost, high comprehensive performance and the like.

Description

technical field [0001] The invention relates to the technical field of PVC foam composite material preparation and resin paint slag reuse, in particular to a PVC foam composite material containing resin paint slag and a preparation method thereof. Background technique [0002] Resin paint has the advantages of good gloss and color retention, water and chemical resistance, fast drying and convenient construction, and is widely used in the fields of automobiles, electrical appliances, machinery and construction. However, in spraying construction, the effective utilization rate of resin paint is low (20~60%), and only a small part of the paint is sprayed on the material, so a large amount of waste resin paint residue is generated. Although there are related patent reports on the secondary utilization of resin paint slag in China, such as a method for preparing paint raw materials from paint waste slag (CN201210045564.8); a use of paint waste slag and a method for recycling pain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L27/24C08L67/08C08L63/00C08L91/00C08L75/04C08L33/00C08L1/02C08L1/18C08L61/20C08K13/04C08K7/00C08K3/34C08K3/26C08K3/22C08K13/02C08K7/24C08K3/04C08J9/10
Inventor 向兰张清杰马蓬杨
Owner TSINGHUA UNIV
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