CN109735232A - A kind of pitch environment-friendly building coating and preparation method thereof - Google Patents
A kind of pitch environment-friendly building coating and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of pitch environment-friendly building coating and preparation method thereof, belong to water-repellent paint technical field.Pitch environment-friendly building coating of the invention is made of the following raw material: building solid waste material, water-base epoxy emulsified asphalt, dihydroxy tetramethoxy benzophenone, triphenyl phosphite, chlorinated polyvinyl chloride resin, low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer, empgen BB, acetylbutyrylcellulose, sodium bentonite.Using building solid waste material and water-base epoxy emulsified asphalt as base-material in the present invention; other raw materials are the pitch environment-friendly building coating that auxiliary material is prepared; with very strong durability and longer hold time; the coating being prepared can reach economic cost-saving can effectively protect environment, remarkable in economical benefits again.
Description
Technical field
The invention belongs to water-repellent paint technical fields, and in particular to a kind of pitch environment-friendly building coating and preparation method thereof.
Background technique
Pitch is the organic cementitious material of a kind of brown or dark brown, is indispensable material in civil engineering construction.
It has a wide range of applications in the engineerings such as building, highway, bridge.Asphalt waterproofing paint is the solvent type configured using pitch as base-material
Or water-emulsifying type waterproof coatings, solvent type asphalt waterproofing paint, which refers to, is directly dissolved in gasoline equal solvent for unmodified asphalt
In and be configured to, also known as adhesive bitument primer.Emulsified asphalt waterproofing coating refers to asphalt in chemical emulsifier or mineral
It under emulsifier effect, is dispersed in water, forms the coating that stable aqueous dispersion is constituted.By pitch be used for coating preparation at build
Building coating has the function of decoration functions, defencive function and livability improvement etc..Currently, the most of function of raw material of coating are used to prepare
Can be often relatively simple, and the variation of long-term natural environment its function can not be adapted to and still maintained whithin a period of time not
Become.
Through the literature search of existing technologies, China Patent Publication No. CN106009826A, publication date 2016 10
The patent application on the moon 12 discloses a kind of environment-friendly type building epoxy-tar paint, and it is weather-proof which points out that this coating has
Property, resistance to deformation, tensile strength are high, elongation percentage is big, applied widely, meet safe and healthy, environmentally friendly requirement.Although should
Coating has these advantages, but does not point out the maximum duration being able to maintain using this coating, and the raw material in coating
Function is relatively simple, has used more raw material, needs lower consumption more cost, does not meet economic brief principle.Therefore,
For the defect of the above documents, prepare it is a kind of needed for cost is few, a certain or several in raw material have it is dual or more
Weight function maintains the problem of pitch environment-friendly building coating of long period is as current urgent need to resolve.
Summary of the invention
It is few, a certain or several with dual or more in raw material that the purpose of the present invention is to provide a kind of required costs
Weight function, the pitch environment-friendly building coating for maintaining the long period and preparation method thereof.
In order to achieve the above object, the present invention is achieved by the following scheme.
A kind of pitch environment-friendly building coating, is composed of the following raw materials in parts by weight: 79~97 parts of building solid waste material, aqueous
74~94 parts of epoxy emulsified asphalt, 57~71 parts of dihydroxy tetramethoxy benzophenone, 48~55 parts of triphenyl phosphite, chlorination
47~53 parts of Corvic, 31~43 parts of low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer, empgen BB
23~36 parts, 15~22 parts of acetylbutyrylcellulose, 7~16 parts of sodium bentonite.
Further, the pitch environment-friendly building coating, is composed of the following raw materials in parts by weight: building solid waste material 88
Part, 84 parts of water-base epoxy emulsified asphalt, 64 parts of dihydroxy tetramethoxy benzophenone, 51.5 parts of triphenyl phosphite, chlorination are poly-
50 parts of vinyl chloride resin, 37 parts of low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer, 29.5 parts of empgen BB, vinegar
18.5 parts of sour cellulose butyrate, 11.5 parts of sodium bentonite.
The preparation method of the pitch environment-friendly building coating, includes the following steps:
1) water-base epoxy emulsified asphalt, the triphenyl phosphite of 35wt%~45wt% is taken to be mixedly configured into mixed liquor A, and
Heat 10~16min at 60~64 DEG C, is subsequently placed in 55~75min of isothermal holding at 46~54 DEG C；
2) the water-base epoxy emulsified asphalt of 55wt%~65wt%, chlorinated polyvinyl chloride resin, building solid waste material are claimed
It is placed on well in ultrasonic equipment and carries out decentralized processing, the ultrasonic wave electric current is 6.8A, and temperature control is 62~65 DEG C, ultrasound
Jitter time is 50~70min, obtains dispersed material B；Then dispersed material B is sent into far infrared curer and carries out two-part
It bakes and is dried, wherein one section of drying condition are as follows: 52~55 DEG C of drying temperature, 55~60min of drying time；Two-stage drying item
Part are as follows: 54 DEG C of drying temperature, 55~60min of drying time；
3) low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer and acetate butyrate of formulation material are added into mixed liquor A
Cellulose stirs at low speed 80~100min at room temperature, keeps that temperature is reduced to 18 DEG C of progress high-speed stirrings after 3~6min
3~6min is mixed, temperature is increased to 32 DEG C of progress moderate-speed mixer 9min after reacting 4min, solution X is obtained, then by dihydroxy tetramethyl
Oxygroup benzophenone, empgen BB, sodium bentonite constant temperature stir 20~30min to get pitch environment-friendly building coating.
Further, the revolving speed 300r/min stirred at low speed in the step 3), the revolving speed of high-speed stirred are 1000r/
Min, the revolving speed of moderate-speed mixer are 700r/min.
Further, 32 DEG C of temperature that constant temperature stirs in the step 3), speed of agitator is 500~600r/min.
Compared with prior art, advantageous effects of the invention:
1) present invention in using building solid waste material and water-base epoxy emulsified asphalt as base-material, other raw materials be auxiliary material prepare and
At pitch environment-friendly building coating, have very strong durability and it is longer hold time, the coating being prepared can reach
Economic cost-saving can effectively protect environment again.
2) present invention using water-base epoxy emulsified asphalt there is waterproof to cohere effect and apparent cost performance, with phosphorous acid three
Phenyl ester and chlorinated polyvinyl chloride resin interact, and have stronger bridging property, can better adapt to high temperature and low temperature etc. no
The influence of sharp environmental factor.Dihydroxy tetramethoxy benzophenone also has other than itself extremely strong polarity in the present invention
Extremely strong ultraviolet resistance does not need that ultraviolet screener additionally is added, and has double effects.
3) pitch environment-friendly building coating of the invention has lower tenderness under the conditions of -29~-32 DEG C and without fracture,
The heat resistance with higher under the conditions of 121~124 DEG C, had not only had high temperature resistance but also had had the performance of low-temperature resistance, and without cunning
Dynamic, trickling and drippage.Asphalt paint of the invention has being capable of acid and alkali-resistance in the range of 146~149mm by strong extensibility
The characteristics of salt, and the conservation rate of soda acid salt treatment tensile strength be 94.7%~95.2%, no channeling water, VOC content obviously compared with
Common coating 82ml decreases, and reduces 43.9%~50%.Benzene,toluene,xylene, second in the pitch environment-friendly building coating
The total amount of benzene is 72~75ml, and soluble metal content is lower, 4.91~4.97kN/m of tearing strength, elastic restoration ratio 97.9%
~98.4%, absorb water moisture resistance 0.06%~0.09%, and the maximum duration that can be maintained is 165~171 days.
Specific embodiment
Below by specific embodiment, technical solution of the present invention is further illustrated.It should be appreciated that this hair
Bright embodiment is not limited by the following examples, and accommodation and/or change in any form made for the present invention all will
Fall into protection scope of the present invention.
Embodiment 1
A kind of pitch environment-friendly building coating, is composed of the following raw materials in parts by weight: 79 parts of building solid waste material, water-base epoxy
74 parts of emulsified asphalt, 57 parts of dihydroxy tetramethoxy benzophenone, 48 parts of triphenyl phosphite, chlorinated polyvinyl chloride resin 47
Part, 31 parts of low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer, 23 parts of empgen BB, acetylbutyrylcellulose 15
Part, 7 parts of sodium bentonite.
The preparation method of the pitch environment-friendly building coating, includes the following steps:
1) water-base epoxy emulsified asphalt, the triphenyl phosphite of 35wt% is taken to be mixedly configured into mixed liquor A, and at 60 DEG C
Heat 10min, is subsequently placed in isothermal holding 55min at 46 DEG C；
2) the water-base epoxy emulsified asphalt of 65wt%, chlorinated polyvinyl chloride resin, building solid waste material are weighed up and is placed on
Carry out decentralized processing in ultrasonic equipment, the ultrasonic wave electric current is 6.8A, and temperature control is 62 DEG C, and the ultrasonic disperse time is
50min obtains dispersed material B；Then dispersed material B is sent into far infrared curer and carries out two-part baking drying process,
Wherein one section of drying condition are as follows: 52 DEG C of drying temperature, drying time 55min；Two-stage drying condition are as follows: 54 DEG C of drying temperature, do
Dry time 55min；
3) low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer and acetate butyrate of formulation material are added into mixed liquor A
Cellulose stirs at low speed 80min under the conditions of revolving speed 300r/min at room temperature, keeps that temperature is reduced to 18 after 3min
After DEG C revolving speed be 1000r/min under the conditions of high-speed stirred 3min, react 4min after increase temperature to 32 DEG C revolving speed be 700r/
Moderate-speed mixer 9min under the conditions of min obtains solution X, then by dihydroxy tetramethoxy benzophenone, empgen BB,
Sodium bentonite constant temperature stirs 20min to get pitch environment-friendly building coating, and 32 DEG C of temperature of the constant temperature stirring, speed of agitator
For 500r/min.
Embodiment 2
A kind of pitch environment-friendly building coating, is composed of the following raw materials in parts by weight: 88 parts of building solid waste material, water-base epoxy
84 parts of emulsified asphalt, 64 parts of dihydroxy tetramethoxy benzophenone, 51.5 parts of triphenyl phosphite, chlorinated polyvinyl chloride resin 50
Part, 37 parts of low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer, 29.5 parts of empgen BB, acetylbutyrylcellulose
18.5 parts, 11.5 parts of sodium bentonite.
The preparation method of the pitch environment-friendly building coating, includes the following steps:
1) water-base epoxy emulsified asphalt, the triphenyl phosphite of 40wt% is taken to be mixedly configured into mixed liquor A, and at 62 DEG C
Heat 13min, is subsequently placed in isothermal holding 65min at 50 DEG C；
2) the water-base epoxy emulsified asphalt of 60wt%, chlorinated polyvinyl chloride resin, building solid waste material are weighed up and is placed on
Carry out decentralized processing in ultrasonic equipment, the ultrasonic wave electric current is 6.8A, and temperature control is 64 DEG C, and the ultrasonic disperse time is
60min obtains dispersed material B；Then dispersed material B is sent into far infrared curer and carries out two-part baking drying process,
Wherein one section of drying condition are as follows: 53 DEG C of drying temperature, drying time 57min；Two-stage drying condition are as follows: 54 DEG C of drying temperature, do
Dry time 58min；
3) low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer and acetate butyrate of formulation material are added into mixed liquor A
Cellulose stirs at low speed 90min under the conditions of revolving speed 300r/min at room temperature, keeps that temperature is reduced to 18 after 4min
After DEG C revolving speed be 1000r/min under the conditions of high-speed stirred 5min, react 4min after increase temperature to 32 DEG C revolving speed be 700r/
Moderate-speed mixer 9min under the conditions of min obtains solution X, then by dihydroxy tetramethoxy benzophenone, empgen BB,
Sodium bentonite constant temperature stirs 25min to get pitch environment-friendly building coating, and 32 DEG C of temperature of the constant temperature stirring, speed of agitator
For 550r/min.
Embodiment 3
A kind of pitch environment-friendly building coating, is composed of the following raw materials in parts by weight: 97 parts of building solid waste material, water-base epoxy
94 parts of emulsified asphalt, 71 parts of dihydroxy tetramethoxy benzophenone, 55 parts of triphenyl phosphite, chlorinated polyvinyl chloride resin 53
Part, 43 parts of low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer, 36 parts of empgen BB, acetylbutyrylcellulose 22
Part, 16 parts of sodium bentonite.
The preparation method of the pitch environment-friendly building coating, includes the following steps:
1) water-base epoxy emulsified asphalt, the triphenyl phosphite of 45wt% is taken to be mixedly configured into mixed liquor A, and at 64 DEG C
Heat 16min, is subsequently placed in isothermal holding 75min at 54 DEG C；
2) the water-base epoxy emulsified asphalt of 55wt%, chlorinated polyvinyl chloride resin, building solid waste material are weighed up and is placed on
Carry out decentralized processing in ultrasonic equipment, the ultrasonic wave electric current is 6.8A, and temperature control is 65 DEG C, and the ultrasonic disperse time is
70min obtains dispersed material B；Then dispersed material B is sent into far infrared curer and carries out two-part baking drying process,
Wherein one section of drying condition are as follows: 55 DEG C of drying temperature, drying time 60min；Two-stage drying condition are as follows: 54 DEG C of drying temperature, do
Dry time 60min；
3) low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer and acetate butyrate of formulation material are added into mixed liquor A
Cellulose stirs at low speed 100min under the conditions of revolving speed 300r/min at room temperature, keeps that temperature is reduced to 18 after 6min
After DEG C revolving speed be 1000r/min under the conditions of high-speed stirred 6min, react 4min after increase temperature to 32 DEG C revolving speed be 700r/
Moderate-speed mixer 9min under the conditions of min obtains solution X, then by dihydroxy tetramethoxy benzophenone, empgen BB,
Sodium bentonite constant temperature stirs 30min to get pitch environment-friendly building coating, and 32 DEG C of temperature of the constant temperature stirring, speed of agitator
For 600r/min.
Experimental example
Following comparative test is made for the embodiment of the present invention and conventional coating, as shown in table 1:
As seen from the above table, pitch environment-friendly building coating of the invention has lower tenderness under the conditions of -29~-32 DEG C
And without fracture, the heat resistance with higher under the conditions of 121~124 DEG C had not only had high temperature resistance but also had had the property of low-temperature resistance
Can, and fricton-tight, trickling and drippage.Asphalt paint of the invention has by strong extensibility, in the range of 146~149mm, energy
The characteristics of enough acidproof alkali salts, and the conservation rate of soda acid salt treatment tensile strength is 94.7%~95.2%, and no channeling water, VOC contains
It measures obvious more common coating 82ml to decrease, reduces 43.9%~50%.Benzene in the pitch environment-friendly building coating, toluene,
Dimethylbenzene, ethylbenzene total amount be 72~75ml, soluble metal content is lower, 4.91~4.97kN/m of tearing strength, elasticity it is extensive
Multiple rate 97.9%~98.4%, absorb water moisture resistance 0.06%~0.09%, and the maximum duration that can be maintained is 165~171 days.
The present invention can be summarized with others without prejudice to the concrete form of spirit or essential characteristics of the invention.No matter from which
From the point of view of a bit, the embodiment above of the invention can only all be considered the description of the invention and cannot limit the present invention, right
Claim indicates the scope of the present invention, therefore, with the comparable meaning and scope of claims of the present invention in it is any
Change, is all considered as being included within Claims scope.
Claims (5)
1. a kind of pitch environment-friendly building coating, it is characterised in that be composed of the following raw materials in parts by weight: building solid waste material 79~
97 parts, 74~94 parts of water-base epoxy emulsified asphalt, 57~71 parts of dihydroxy tetramethoxy benzophenone, triphenyl phosphite 48~
55 parts, 47~53 parts of chlorinated polyvinyl chloride resin, 31~43 parts of low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer, 12
23~36 parts of alkyl betaine, 15~22 parts of acetylbutyrylcellulose, 7~16 parts of sodium bentonite.
2. a kind of pitch environment-friendly building coating according to claim 1, it is characterised in that by the raw material group of following parts by weight
At: 88 parts of building solid waste material, 84 parts of water-base epoxy emulsified asphalt, 64 parts of dihydroxy tetramethoxy benzophenone, phosphorous acid three
51.5 parts of phenyl ester, 50 parts of chlorinated polyvinyl chloride resin, 37 parts of low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer, dodecane
29.5 parts of base glycine betaine, 18.5 parts of acetylbutyrylcellulose, 11.5 parts of sodium bentonite.
3. a kind of preparation method of pitch environment-friendly building coating according to claim 1, it is characterised in that including walking as follows
It is rapid:
1) water-base epoxy emulsified asphalt, the triphenyl phosphite of 35wt%~45wt% is taken to be mixedly configured into mixed liquor A, and 60
Heat 10~16min at~64 DEG C, is subsequently placed in 55~75min of isothermal holding at 46~54 DEG C；
2) after the water-base epoxy emulsified asphalt of 55wt%~65wt%, chlorinated polyvinyl chloride resin, building solid waste material being weighed up
It is placed in ultrasonic equipment and carries out decentralized processing, the ultrasonic wave electric current is 6.8A, and temperature control is 62~65 DEG C, ultrasonic disperse
Time is 50~70min, obtains dispersed material B；Then dispersed material B is sent into far infrared curer and carries out two-part baking
It is dried, wherein one section of drying condition are as follows: 52~55 DEG C of drying temperature, 55~60min of drying time；Two-stage drying condition
Are as follows: 54 DEG C of drying temperature, 55~60min of drying time；
3) low-molecular-weightstyrene-acrylate styrene-acrylate emulsion copolymer and acetate butyrate fiber of formulation material are added into mixed liquor A
Element stirs at low speed 80~100min at room temperature, keep after 3~6min by temperature be reduced to 18 DEG C of progress high-speed stirreds 3~
6min increases temperature to 32 DEG C of progress moderate-speed mixer 9min after reacting 4min, solution X is obtained, then by dihydroxy tetramethoxy
Benzophenone, empgen BB, sodium bentonite constant temperature stir 20~30min to get pitch environment-friendly building coating.
4. a kind of preparation method of pitch environment-friendly building coating according to claim 3, it is characterised in that the step 3)
In the revolving speed 300r/min that stirs at low speed, the revolving speed of high-speed stirred is 1000r/min, and the revolving speed of moderate-speed mixer is 700r/min.
5. a kind of preparation method of pitch environment-friendly building coating according to claim 3, it is characterised in that the step 3)
32 DEG C of temperature of middle constant temperature stirring, speed of agitator is 500~600r/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811398580.9A CN109735232A (en) | 2018-11-22 | 2018-11-22 | A kind of pitch environment-friendly building coating and preparation method thereof |
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| CN201811398580.9A CN109735232A (en) | 2018-11-22 | 2018-11-22 | A kind of pitch environment-friendly building coating and preparation method thereof |
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