A kind of water-based viscous-elastic damping sound-insulation adhesive
Technical field
The present invention relates to a kind of tackiness agent, specifically, relate to a kind of water-based viscous-elastic damping sound-insulation adhesive.
Background technology
Along with the raising of people's living standard, the noise in building is subject to people's attention day by day, and comprising the sound insulation of the members such as body of wall, smallpox, ground, the building sound insulation relates to the field dwelling house, KTV, bar, movie theatre, recording studio dwelling house etc.Simultaneously, the product of high sound-proofing properties becomes the favorite in market gradually.
Traditional body of wall method of sound insulation has quality, the thickness that increases body of wall, uses the double-layer keel multilayer plaster board to consist of light weight wall, uses the acoustical insulation products such as cellucotton, sound-proof felt, elastic caoutchouc.But, these methods can make insulation works more complicated, loaded down with trivial details, weak effect is installed, efficient is low, cost is high, body of wall thickens in a large number etc., also has very large problem on environmental-protecting performance.
Summary of the invention
For the existing the problems referred to above of prior art and demand, the purpose of this invention is to provide a kind of water-based viscous-elastic damping sound-insulation adhesive with high damping value, wide temperature range, strong cohesive property, safety and environmental protection, play sound insulation, bonding dual function.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of water-based viscous-elastic damping sound-insulation adhesive has following compositing formula:
Above-mentioned per-cent is mass percent, and the described mass percent sum that each forms is 100%.
As preferred version, described water-based viscous-elastic damping sound-insulation adhesive has following compositing formula:
Above-mentioned per-cent is mass percent, and the described mass percent sum that each forms is 100%.
Described acrylate copolymer is the multipolymer that is formed by methyl methacrylate, ethyl propenoate, butyl acrylate, Propylene glycol monoacrylate and vinylformic acid, the latex interpenetrating polymer network (LIPN) that preferably adopts emulsion dispersion to form by methyl methacrylate, ethyl propenoate, butyl acrylate, Propylene glycol monoacrylate and vinylformic acid.
Described filler is preferably any one or a few mixture that forms with arbitrary proportion in sheet mica, flake graphite, water-ground limestone.
The mixture that described tackifier are preferably rosin or staybelite resin or both form with arbitrary proportion.
The mixture that described fire retardant is preferably ammonium polyphosphate or clorafin or both forms with arbitrary proportion.
The mixture that described sterilant is preferably MIT or (2-pyridinethiol-1-oxide) sodium or both forms with arbitrary proportion.
Described tensio-active agent and defoamer are the conventional material that is applicable to aqueous adhesive.
The preparation method of water-based viscous-elastic damping sound-insulation adhesive of the present invention comprises the steps:
A) emulsion type acrylate pressure sensitive adhesive and acrylate copolymer are forced blend 15~60 minutes, make latex A;
B) uniform filling is added to the water, stirs after 20~50 minutes, add tackifier, tensio-active agent, defoamer, fire retardant and sterilant, stir to make in 10~30 minutes and mix, make slurry B;
C) latex A that makes is added in slurry B, stirred 15~40 minutes, and get final product.
Water-based viscous-elastic damping sound-insulation adhesive of the present invention is the pressure sensitive tackiness agent, can be laminated between the sheet material of two identical materials or unlike material, described sheet material can be plasterboard, glass magnesium plate, cement fibrolite plate, metal sheet, paper, plastics, rubber, textiles etc., has very strong adhesive property, can be used for preparing various damping-constraining composite structure insulating boards, or be coated on other material of bonding on base material, play sound insulation, cohesive action.
Compared with prior art, water-based viscous-elastic damping sound-insulation adhesive of the present invention belongs to environmental-protection type adhesive, nontoxic, to human body and environmental friendliness, and have high damping value, wide temperature range, strong cohesive property can form damping value and reach damping platform more than 100 ℃ in the temperature range more than 0.9, T-stripping strength>31N/cm can play sound insulation, bonding dual function.
Embodiment
The present invention is described in further detail and completely below in conjunction with embodiment.
Tensio-active agent described in embodiment and defoamer are the conventional material that is applicable to aqueous adhesive.
Acrylate copolymer described in embodiment is the multipolymer that is formed by methyl methacrylate, ethyl propenoate, butyl acrylate, Propylene glycol monoacrylate and vinylformic acid, is to get with reference to the preparation of method described in Chinese patent ZL02136169.x.
Embodiment 1
Take each constitutive material by following compositing formula:
Preparation technology is as follows:
A) emulsion type acrylate pressure sensitive adhesive and acrylate copolymer are forced blend 15~60 minutes, make latex A;
B) uniform filling is added to the water, stirs after 20~50 minutes, add tackifier, tensio-active agent, defoamer, fire retardant and sterilant, stir to make in 10~30 minutes and mix, make slurry B;
C) latex A that makes is added in slurry B, stirred 15~40 minutes, and get final product.
Recording the described water-based viscous-elastic damping sound-insulation adhesive of the present embodiment according to the ASTM-E-756-98 standard keeps damping value at the damping platform more than 0.9 between 7~132 ℃.
The T-stripping strength that records the described water-based viscous-elastic damping sound-insulation adhesive of the present embodiment according to GB-T2791-1995 is 31.4N/cm.
Embodiment 2
Take each constitutive material by following compositing formula:
Preparation technology is with described in embodiment 1.
Recording the described water-based viscous-elastic damping sound-insulation adhesive of the present embodiment according to the ASTM-E-756-98 standard keeps damping value at the damping platform more than 0.9 between-22~83 ℃.
The T-stripping strength that records the described water-based viscous-elastic damping sound-insulation adhesive of the present embodiment according to GB-T2791-1995 is 53N/cm.
Embodiment 3
Take each constitutive material by following compositing formula:
Preparation technology is with described in embodiment 1.
Recording the described water-based viscous-elastic damping sound-insulation adhesive of the present embodiment according to the ASTM-E-756-98 standard keeps damping value at the damping platform more than 0.9 between-9~102 ℃.
The T-stripping strength that records the described water-based viscous-elastic damping sound-insulation adhesive of the present embodiment according to GB-T2791-1995 is 46.8N/cm.
In sum as seen: water-based viscous-elastic damping sound-insulation adhesive of the present invention belongs to environmental-protection type adhesive, nontoxic, to human body and environmental friendliness, and have high damping value, wide temperature range, strong cohesive property, damping value reaches damping platform more than 100 ℃ in the temperature range more than 0.9, and T-stripping strength>31N/cm can play sound insulation, bonding dual function.
Be necessary at last to be pointed out that at this: above embodiment only is used for technical scheme of the present invention is described in further detail; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's foregoing according to the present invention is made and adjustment all belong to protection scope of the present invention.