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Jointing glue for stone

A jointing glue and stone technology, applied in the field of stone jointing glue, can solve the problems of poor shrinkage resistance, unsatisfactory filling, and chromatic aberration, and achieve the effects of strong shrinkage resistance, increased aesthetics, and good permeability.

Active Publication Date: 2012-09-26
江苏大力士云石护理材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Using the existing ordinary marble glue as jointing glue will have the following disadvantages: ①. Poor air-drying property, sticky to hands after the colloid is cured
②. After polishing, the brightness of the colloid and the polished stone are inconsistent, and there is color difference
③. Poor shrinkage resistance, easy to form depressions or separate from the stone when the glue cures
④. Poor permeability, insufficient filling or voids

Method used

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  • Jointing glue for stone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1 (consumption is weight part)

[0038]Stone pointing glue is composed of 100 parts of air-drying unsaturated polyester resin, 5 parts of hydrogenated castor oil, and 15 parts of polyvinyl acetate (anti-shrinkage agent). The air-drying unsaturated polyester resin is a modified unsaturated polyester resin that synthesizes dicyclopentadiene by a half-esterification method.

[0039] After testing: its compressive shear strength (MPa) is: 14.8, tensile shear strength (MPa): 16.3, bending elasticity (MPa): 4435.0, impact toughness (KJ / m 2 ): 2.2, Hardness (HSD): 73.4, Shrinkage (%): 0.09.

[0040] When in use: the stone pointing glue of the present invention needs to be mixed with the curing agent and stirred evenly, and the mixing ratio of the stone pointing glue and the curing agent is 100:3

Embodiment 2

[0041] Embodiment 2 (consumption is weight part)

[0042] Stone pointing glue is composed of 100 parts of air-drying unsaturated polyester resin, 5 parts of hydrogenated castor oil, 10 parts of silicon dioxide with an average of 1000 mesh, and 15 parts of polyvinyl acetate (anti-shrinkage agent). The air-drying unsaturated polyester resin is a modified unsaturated polyester resin that synthesizes dicyclopentadiene by a half-esterification method.

[0043] After testing: its compressive shear strength (MPa) is: 16.4, tensile shear strength (MPa): 17.1, bending elasticity (MPa): 4085.6, impact toughness (KJ / m 2 ): 3.0, Hardness (HSD): 71.0, Shrinkage (%): 0.05.

[0044] When in use: the stone pointing glue of the present invention needs to be mixed with the curing agent and stirred evenly, and the mixing ratio of the stone pointing glue and the curing agent is 100:3

Embodiment 3

[0045] Embodiment 3 (consumption is weight part)

[0046] Stone pointing glue consists of 100 parts of air-drying unsaturated polyester resin, 1 part of hydrogenated castor oil, 60 parts of silicon dioxide with an average of 300 meshes, 1 part of polystyrene (anti-shrinkage agent), diallyl phthalate 3 parts of ester, 1 part of styrene, 1 part of α-methylstyrene (reactive diluent). The air-drying unsaturated polyester resin is allyl glycidyl ether modified unsaturated polyester resin.

[0047] After testing: its compressive shear strength (MPa) is: 14.7, tensile shear strength (MPa): 15.6, bending elasticity (MPa): 4673.2, impact toughness (KJ / m 2 ): 2.61, Hardness (HSD): 64.5, Shrinkage (%): 2.63.

[0048] Using method is the same as embodiment 1

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Abstract

The invention provides jointing glue for stone, which at least comprises the following components in parts by weight: 100 parts of an air-dried unsaturated polyester resin, 1-5 parts of hydrogenated castor oil, 0-60 parts of micron-sized silica and 1-15 parts of an antishrinking agent. The jointing glue overcomes the defects of taking the existing common marble glue as the jointing glue such as poor air-drying properties, poor antishrinking capability, poor permeability and the like. The jointing glue for stone has the advantages of good permeability, no tackiness after curing, strong antishrinking capability, glue brightness after polishing and the like. The jointing glue enriches varieties of the marble glue and solves the problem of jointing difficulty among the stone.

Description

technical field [0001] The invention relates to a stone pointing glue, which is mainly used for filling or filling the gaps between stone materials. It can also be used to fill or fill gaps in ceramics and other building materials (commonly known as pointing). Background technique [0002] Marble glue is unsaturated resin glue, because it is mainly used on marble, so it is called marble glue by domestic convention. [0003] Stone bonding includes structural bonding and non-structural bonding. Marble glue is mainly used for stone filling bonding, also known as non-structural bonding. It is a kind of structural bonding (load-bearing bonding) that uses organic chemical adhesives to repair, fill, and strengthen stone defects, such as cracks, cracks, holes, sand holes, product defects, and decoration positioning. , a fixed process. [0004] There is a clear difference between filling bonding and structural bonding in terms of force, that is, filling bonding does not bear the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J167/06E04G23/02
Inventor 杜昆文杜昆武
Owner 江苏大力士云石护理材料有限公司
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