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Foamed ceiling and preparation method thereof

A ceiling and foaming agent technology, applied in the field of foam ceiling and its preparation, can solve the problems of low tensile strength, low elongation at break, low impact strength, etc.

Inactive Publication Date: 2014-11-05
湖北德居沃家新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the above technical problems, the present application provides a foamed ceiling and its preparation method, which solves the technical problems of existing ceilings such as high relative density, low tensile strength, low impact strength and low elongation at break.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Weigh 100 parts of LDPE according to the weight ratio; 0.5 parts of stearic acid; 30 parts of DOP; 1.5 parts of barium stearate; 70 parts of calcium carbonate; 1 part of dibutyltin laurate; 10 parts of zinc borate; 2 parts; 3 parts of zinc stearate; 0.2 parts of dihydroxytetramethoxybenzophenone; 0.5 parts of antioxidant DLTP; 1 part of triphenyl phosphite; 5 parts of AC foaming agent; 15 parts of MBS 6 parts of chlorinated paraffin.

[0022] LDPE, stearic acid, DOP, barium stearate, calcium carbonate, dibutyltin laurate, n-butyl stearate and zinc stearate were compounded at a surface temperature of 130°C on a two-roll mill.

[0023] Add triphenyl phosphite and AC foaming agent and mix twice, then add the remaining raw materials, mix twice, and then release the tablet; foam and mold on a multi-layer vulcanizing machine, the molding temperature is 180°C, and the molding time is 20s.

[0024]The relative density of the product is 0.5, the bending strength is 8MPa; the te...

Embodiment 2

[0027] Weigh 100 parts of LDPE according to the ratio of parts by weight; 1.5 parts of stearic acid; 50 parts of DOP; 3.5 parts of barium stearate; 90 parts of calcium carbonate; 3 parts of dibutyltin laurate; 30 parts of zinc borate; 4 parts; 7 parts of zinc stearate; 0.6 parts of dihydroxytetramethoxybenzophenone; 2.5 parts of antioxidant DLTP; 5 parts of triphenyl phosphite; 25 parts of AC foaming agent; 35 parts of MBS ; Chlorinated paraffin 10 parts.

[0028] LDPE, stearic acid, DOP, barium stearate, calcium carbonate, dibutyltin laurate, n-butyl stearate and zinc stearate were compounded at a surface temperature of 150°C on a two-roll mill.

[0029] Add triphenyl phosphite and AC foaming agent and mix twice, then add the remaining raw materials, mix twice, and then release the tablet; foam and press on a multi-layer vulcanizing machine, the molding temperature is 240°C, and the molding time is 60s.

[0030] The relative density of the product is 0.4, the bending strengt...

Embodiment 3

[0033] Take by weight 100 parts of LDPE; 0.8 parts of stearic acid; 35 parts of DOP; 2 parts of barium stearate; 75 parts of calcium carbonate; 1.5 parts of dibutyltin laurate; 15 parts of antimony trioxide; 2.5 parts of butyl ester; 4 parts of zinc stearate; 0.3 parts of dihydroxytetramethoxybenzophenone; 1 part of CA antioxidant; 2 parts of triphenyl phosphite; 10 parts of AC foaming agent; MBS20 parts; 7 parts of chlorinated paraffin.

[0034] LDPE, stearic acid, DOP, barium stearate, calcium carbonate, dibutyltin laurate, n-butyl stearate and zinc stearate were compounded at a surface temperature of 135°C on a two-roll mill.

[0035] Add triphenyl phosphite and AC foaming agent and mix twice, then add the remaining raw materials, knead twice, and then release the tablet; foam and press on a multi-layer vulcanizer, the molding temperature is 200°C, and the molding time is 30s.

[0036] The relative density of the product is 0.3, the bending strength is 10MPa; the tensile s...

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Abstract

The invention discloses a foamed ceiling and a preparation method thereof. The preparation method comprises the following steps: in parts by weight, weighing LDPE (low-density polyethylene), stearic acid, DOP (dioctyl phthalate), barium stearate, calcium carbonate, dibutyl tin dialurate, a flame retardant, n-butyl stearate, zinc stearate, dihydroxyl tetramethoxy diphenyl ketone, an antioxidant, triphenyl phosphate, an AC (azodicarbonamide) foaming agent, MBS (methyl methacrylate) and chlorinated paraffin, plastifying, discharging, foaming and performing mould pressing to obtain the foamed ceiling. According to the foamed ceiling, the relative density is 0.1-0.5, the bending strength is 8-12Mpa, the tensile strength is 1.8-2.2Mpa, the gap impact strength at 80 DEG C is 20-25kJ / m<2>, the break elongation rate is 240%-260%, the shore hardness is 45-65, and the vicat softening point is 90-110 DEG C.

Description

technical field [0001] The application belongs to the field of ceiling preparation technology, and in particular relates to a foam ceiling and a preparation method thereof. Background technique [0002] Ceiling is a general term for decorative interior roofing materials. In the past, traditional dwellings mostly used straw mats, reed mats, and wooden boards as the main materials. With the advancement of science and technology, more modern building materials have been applied. In the past, people's impression of the ceiling was just "a piece of white cement", but they didn't know that the ceiling played an extremely important role in home decoration. In addition, the ceiling decoration also plays the role of covering beams, columns, pipelines, heat insulation, and sound insulation. In addition, the shapes and designs of the ceiling are wonderful and changeable, each of which can create different decorative effects. Reserve the lamp trough for good lighting: this is the mo...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L51/04C08K13/02C08K5/09C08K5/12C08K5/098C08K3/26C08K5/101C08K5/02C08K3/22C08K3/38C08K5/526C08J9/10B29C43/58
CPCB29C43/58C08J9/0061C08J9/103C08J2203/04C08J2323/06C08J2451/04C08K2201/014C08L23/06C08L2201/02C08L2203/14C08L2205/03C08L2207/066C08L51/04C08L91/06C08K13/02C08K5/09C08K5/098C08K2003/265C08K3/38C08K5/132C08K5/526
Inventor 赵焕
Owner 湖北德居沃家新材料科技有限公司
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