CN106010208B - A kind of polyurethane water-proof paint of puncture-resistant and preparation method thereof - Google Patents
A kind of polyurethane water-proof paint of puncture-resistant and preparation method thereof Download PDFInfo
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- CN106010208B CN106010208B CN201610490398.0A CN201610490398A CN106010208B CN 106010208 B CN106010208 B CN 106010208B CN 201610490398 A CN201610490398 A CN 201610490398A CN 106010208 B CN106010208 B CN 106010208B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of polyurethane water-proof paint of puncture-resistant of the present invention, it is grouped as by two groups of A, B, component A is made of performed polymer 1 and performed polymer 2, and performed polymer 1 is made of 25.8~28.5 parts of toluene di-isocyanate(TDI)s, 20~30 parts of Polyether 220s, 20~30 parts of polyethers 3050 and 15~25 parts of polyethers 330N；Performed polymer 2 is made of 24.3~27.5 parts of toluene di-isocyanate(TDI)s, 55~65 parts of Polyether 220s and 10~20 parts of polyethers 3050；B component is by 15.7~17 parts of 3,3' dichloro-4,4s, 4' diaminodiphenyl-methanes, 70~80 parts of chlorinated paraffins, 66~80 parts of talcum powder, 25~30 parts by weight dioctyl phthalates, 1~2 part of stannous octoate and 2~6 parts of antifoaming agent AC301 compositions.The multiple cross-linked structure of the present invention makes polyurethane cohesive energy rise intensity increase, and puncture-resistant power is caused to improve.
Description
Technical field
The invention belongs to chemical fields, are related to a kind of polyurethane water-proof paint, specifically a kind of poly- ammonia of puncture-resistant
Ester water-repellent paint and preparation method thereof.
Background technology
Green building is an important directions of environmental protection problem in the urgent need to address in current social development, and roofing is green
It is the important content in energy saving building and green building to change planting engineering.Roof greenery patches can improve the air quality in city, effectively
Alleviate urban heat land effect, promotes urban air landscape, play the role of to the protection of environment especially important.
Roof greening planting engineering is concentrated mainly on the positions such as roof or the basement roof of building covering green vegetation, vacation
The landscapes such as mountain, pond build the ecosystem made us pleasing, beautified the environment.And plant of the green roof generally by being planted
The compositions such as object, waterproof stopping area, water draining and accumulating device, heat insulation layer, wherein waterproof stopping area are particularly important, it is desirable that have waterproof
With root resistance dual function, plant root whisker puncture can be born, keeps water-proof function for a long time, and wearing for root system of plant can be prevented
Thorn, and do not influence plant normal growth.It needs to be formed by waterproof layer in a word, should have high intensity to ensure resistance to wearing property of plant roots
Can, there is high resiliency again（High-elongation）To ensure to resist the water-proof function of cracking.Be provided simultaneously with have good workability, operation side
Just.
Current polyurethane water-proof paint is difficult to balance the relationship between cohesive force and high resiliency, i.e. cohesive force is then elastic greatly
It is small.Although there are also high-strength polyurethane waterproof coating material product, its cohesive force is simultaneously little, therefore paracentesis resistance is bad, cannot
Reach the requirement of resistance to plant root puncture.
Invention content
For above-mentioned technical problem in the prior art, the present invention provides a kind of polyurethane water-proof paint of puncture-resistant and
Preparation method, described polyurethane water-proof paint of this puncture-resistant and preparation method thereof will solve poly- ammonia in the prior art
The bad technical problem of ester water-repellent paint paracentesis resistance.
The present invention provides a kind of polyurethane water-proof paints of puncture-resistant, are grouped as by two groups of A, B, component A is by pre-polymerization
Body 1 and performed polymer 2 mix；
In parts by weight, the composition of the performed polymer 1 and content are as follows：
25.8~28.5 parts of toluene di-isocyanate(TDI)；
20~30 parts of Polyether 220；
3,050 20~30 parts of polyethers；
15~25 parts of polyethers 330N；
In parts by weight, the composition of the performed polymer 2 and content are as follows：
24.3~27.5 parts of toluene di-isocyanate(TDI)；
55~65 parts of Polyether 220；
3,050 10~20 parts of polyethers；
The weight ratio of performed polymer 1 and performed polymer 2 is 1：1；
In parts by weight, the composition of the B component and content are as follows：
Bis- 15.7~17 parts of chloro- 4,4'- diaminodiphenyl-methanes of 3,3'-；
70~80 parts of chlorinated paraffin；
66~80 parts of talcum powder；
1~2 part of stannous octoate；
2~6 parts of antifoaming agent AC301；
25~30 parts of dioctyl phthalate；
The weight ratio of component A and B component is 1：1.
The present invention also provides the preparation methods of the polyurethane water-proof paint of above-mentioned puncture-resistant, include the following steps：
The step of one index 1 component of performed polymer：
1) toluene di-isocyanate(TDI), Polyether 220, polyethers 3050, polyethers 330N are weighed respectively according to parts by weight；
2) Polyether 220, polyethers 3050, polyethers 330N are added in the reactor, stirring is warming up to 110 DEG C~120 DEG C, decompression
It is dehydrated 1~2 hour to -0.09MPa；
3) 80 DEG C~85 DEG C are reduced the temperature to, the toluene di-isocyanate(TDI) no more than 40% is added, in nitrogen protection and stirring
Under state, 80 DEG C~85 DEG C are reacted 1.5~2.5 hours；Remaining toluene di-isocyanate(TDI) is added, is stirred at 80 DEG C~85 DEG C
Under state, 0.75~1.5 hour is kept the temperature.Cooling discharge obtains 1 component of performed polymer；
The step of one index 2 component of performed polymer：
1) toluene di-isocyanate(TDI), Polyether 220, polyethers 3050 are weighed respectively according to parts by weight；
2) Polyether 220, polyethers 3050 are added in the reactor, stirring is warming up to 110 DEG C~120 DEG C, be decompressed to-
0.09MPa is dehydrated 1~2 hour；
3) 80 DEG C~85 DEG C are reduced the temperature to, the toluene di-isocyanate(TDI) no more than 46% is added, in nitrogen protection and stirring
Under state, 80 DEG C~85 DEG C are reacted 1.5~2.5 hours；Remaining toluene di-isocyanate(TDI) is added, is stirred at 80 DEG C~85 DEG C
Under state, 0.75~1.5 hour is kept the temperature.Cooling discharge obtains 2 component of performed polymer；
Performed polymer 1 and performed polymer 2 are with weight ratio 1：Component A is made after 1 mixing；
The step of one preparation B component：
1) bis- chloro- 4,4'- diaminodiphenyl-methanes of 3,3'-, chlorinated paraffin, talcum are weighed respectively according to parts by weight
Powder, stannous octoate, antifoaming agent AC301, dioctyl phthalate；
2) 3,3 '-two chloro- 4,4 '-diaminodiphenyl-methanes, talcum powder, chlorinated paraffin stirring liter are added in the reactor
Temperature is decompressed to -0.09MPa and is dehydrated 1~1.5 hour to 110 DEG C~120 DEG C；
3) 60 DEG C are cooled the temperature to, dioctyl phthalate, stannous octoate and antifoaming agent AC301, insulated and stirred is added
30min, after mixing, cooling discharge obtain B component；
By component A and B component according to weight ratio 1：The polyurethane water-proof paint of puncture-resistant is made after 1 mixing.
A kind of its puncture resistant properties of the polyurethane water-proof paint of puncture-resistant of the present invention are by specific multiple cross-linked poly-
Urethane structure and embody, by different base polyurethane prepolymer for use as structures from different more of the degree of cross linking are generated after curing agent hybrid reaction
Weight cross-linked structure, the degree of cross linking make polyurethane cohesive energy rise, intensity are caused to increase, and puncture force rises.
The present invention is to provide a kind of polyurethane water-proof of puncture-resistant to reach roof greening planting engineering root resistance effect
Coating.The base polyurethane prepolymer for use as 1 that the specific multiple cross-linked structure contains low polymerization degree highly -branched degree reacts to be formed with curing agent
High cross-linked structure；Also the base polyurethane prepolymer for use as 2 containing high polymerization degree reduced branching degree reacts the cross-linked structure to be formed with curing agent.
The former can provide waterproof coating high cohesion energy, and the high intensity caused by cohesive energy makes material have puncture-resistant ability.And the latter
Waterproof coating high resiliency can be provided（High fracture elongation）, therefore the polyurethane water-proof paint of the puncture-resistant of the present invention has intensity
Greatly, puncture-resistant power is big and high resiliency feature.The polyurethane water-proof paint resistance load action ability of puncture-resistant is big, and puncture-resistant power
By force, therefore resistance plant-root-pricking is with obvious effects.The high resiliency of water-repellent paint can ensure to occur centainly to deform in waterproof matrix simultaneously
In the case of do not influence waterproof effect.The polyurethane water-proof paint of the puncture-resistant of the present invention as roof greening when planting waterproof layer
Whole spreadability is good, can realize that entire planted roof is seamlessly connected the waterproof stopping area at an entirety, and jail is bonded with substrate
Gu the overlap joint hidden danger and negative and positive angle patch problem of waterproof roll are avoided, thus with good waterproof and root resistance general effect.
The construction of the polyurethane water-proof paint of the puncture-resistant of the present invention is cold operation, simple and convenient, is avoided in waterproof coiled material construction
Bonding, overlap joint and heating, saving of work and time.
The main mechanical properties of the polyurethane water-proof paint of a kind of puncture-resistant of the present invention, according to GB/T 19250~2013
《Polyurethane water-proof paint》Standard testing, tensile strength are 7.16~8.63MPa, and fracture elongation is 503~590%.According to
YBB00322004《National drug packing container (material) standard》Rubber plug for syringe, gasket puncture amylograph standard testing,
Puncture force is 28.29~39.62N.
The present invention is compared with prior art, and technological progress is significant.The present invention solves poly- ammonia in the prior art
The problem of ester water-repellent paint resistance to plant root puncture poor performance.A kind of polyurethane water-proof paint of puncture-resistant of the present invention has reached room
Face planting technique engineering root resistance effect.
Specific implementation mode
The present invention is expanded on further with reference to specific embodiment, but is not intended to limit the present invention.
Various raw materials used in the present invention are the common raw material for being commercially for polyurethane water-proof paint preparation.
Tensile strength, fracture elongation are according to GB/T 19250~2013《Polyurethane water-proof paint》National standard is examined
It surveys；Puncture resistance YBB00322004《National drug packing container (material) standard》Rubber plug for syringe, gasket puncture force are surveyed
Determine method standard testing.
Embodiment 1
A kind of preparation method of the polyurethane water-proof paint of puncture-resistant, steps are as follows：
Performed polymer 1：
30 parts by weight Polyether 220s, 20 parts by weight polyethers 3050 and 15 parts by weight polyethers 330N are added in the reactor, stir
120 DEG C are warming up to, is decompressed under -0.09MPa and is dehydrated 1 hour；80 DEG C are reduced the temperature to, 10.3 parts by weight of toluene, two isocyanide is added
Acid esters, under nitrogen protection and stirring, 80 DEG C are reacted 2.5 hours；80 DEG C are kept the temperature at, 15.5 parts by weight first are added
Phenylene diisocyanate keeps the temperature 1.5 hours under 80 DEG C of stirrings.Cooling down discharges to obtain performed polymer 1.
Performed polymer 2：
60 parts by weight Polyether 220s and 10 parts by weight polyethers 3050 are added in the reactor, stirring is warming up to 120 DEG C, decompression
It is dehydrated 1 hour under to -0.09MPa；Reduce the temperature to 80 DEG C, 11 parts by weight of toluene diisocyanate be added, in nitrogen protection and
Under stirring, 80 DEG C are reacted 2.5 hours；80 DEG C are kept the temperature at, 13.3 parts by weight of toluene diisocyanate are added, 80
Under DEG C stirring, 1.5 hours are kept the temperature.Cooling down discharges to obtain performed polymer 2.
Component A is by performed polymer 1 and performed polymer 2 with weight ratio 1：1 mixes.
B components：
15.7 parts by weight, 3,3 '-two chloro- 4,4 '-diaminodiphenyl-methane, 66 parts by weight talcum powder, 75 in the reactor
The stirring of parts by weight chlorinated paraffin is warming up to 120 DEG C, is decompressed under -0.09MPa and is dehydrated 1 hour；60 DEG C are cooled the temperature to, is added 25
Parts by weight dioctyl phthalate, 2 parts by weight antifoaming agent AC301 and 1 parts by weight of octanoic acid stannous stir 30min, are uniformly mixed
Afterwards, discharging obtains B component after cooling.
By component A and B component by weight ratio 1:1 ratio is uniformly mixed film molding.Its performance indicator is as follows：It stretches
Intensity is 7.16MPa, elongation at break 590%.Puncture force is 28.29N.
Embodiment 2
Performed polymer 1：
25 parts by weight Polyether 220s, 25 parts by weight polyethers 3050 and 20 parts by weight polyethers 330N are added in the reactor, stir
115 DEG C are warming up to, is decompressed under -0.09MPa and is dehydrated 1.5 hours；85 DEG C are reduced the temperature to, it is different that 10.8 parts by weight of toluene two are added
Cyanate reacts 1.5 hours for 85 DEG C under nitrogen protection and stirring；85 DEG C are kept the temperature at, 16.3 parts by weight are added
Toluene di-isocyanate(TDI) keeps the temperature 0.75 hour under 85 DEG C of stirrings.Cooling down discharges to obtain performed polymer 1.
Performed polymer 2：
55 parts by weight Polyether 220s and 20 parts by weight polyethers 3050 are added in the reactor, stirring is warming up to 115 DEG C, decompression
It is dehydrated 1.5 hours under to -0.09MPa；85 DEG C are reduced the temperature to, 11.7 parts by weight of toluene diisocyanate are added, is protected in nitrogen
Under shield and stirring, keeps the temperature at 85 DEG C and react 1.5 hours, 14.4 parts by weight of toluene diisocyanate are added, 85
Under DEG C stirring, 0.75 hour is kept the temperature.Cooling down discharges to obtain performed polymer 2.
Component A is by performed polymer 1 and performed polymer 2 with weight ratio 1：1 mixes.
B components：
16.2 parts by weight, 3,3 '-two chloro- 4,4 '-diaminodiphenyl-methane, 74 parts by weight talcum powder, 70 in the reactor
The stirring of parts by weight chlorinated paraffin is warming up to 110 DEG C, is decompressed under -0.09MPa and is dehydrated 1.5 hours；60 DEG C are cooled the temperature to, is added
30 parts by weight dioctyl phthalates, 4 parts by weight antifoaming agent AC301 and 2 parts by weight of octanoic acid stannous, stir 30min, and mixing is equal
It discharges after even, after cooling and obtains B component.
By component A and B component by weight ratio 1:1 ratio is uniformly mixed film molding.Its performance indicator is as follows：It stretches
Intensity is 7.86MPa, elongation at break 545%.Puncture force is 32.12N.
Embodiment 3
A kind of preparation method of the polyurethane water-proof paint of puncture-resistant, steps are as follows：
Performed polymer 1：
20 parts by weight Polyether 220s, 30 parts by weight polyethers 3050 and 25 parts by weight polyethers 330N are added in the reactor, stir
110 DEG C are warming up to, is decompressed under -0.09MPa and is dehydrated 2 hours；83 DEG C are reduced the temperature to, 11.4 parts by weight of toluene, two isocyanide is added
Acid esters, under nitrogen protection and stirring, 83 DEG C are reacted 2 hours；83 DEG C are kept the temperature at, 17.1 parts by weight of toluene are added
Diisocyanate keeps the temperature 1.25 hours under 83 DEG C of stirrings.Cooling down discharges to obtain performed polymer 1.
Performed polymer 2：
65 parts by weight Polyether 220s and 15 parts by weight polyethers 3050 are added in the reactor, stirring is warming up to 110 DEG C, decompression
It is dehydrated 2 hours under to -0.09MPa；83 DEG C are reduced the temperature to, 12.5 parts by weight of toluene diisocyanate are added, in nitrogen protection
And under stirring, 83 DEG C are reacted 2 hours；83 DEG C are kept the temperature at, 15.0 parts by weight of toluene diisocyanate are added,
Under 83 DEG C of stirrings, 1.25 hours are kept the temperature.Cooling down discharges to obtain performed polymer 2.
Component A is by performed polymer 1 and performed polymer 2 with weight ratio 1：1 mixes.
B components：
17 parts by weight, 3,3 '-two chloro- 4,4 '-diaminodiphenyl-methane, 80 parts by weight talcum powder, 80 weights in the reactor
Amount part chlorinated paraffin stirring is warming up to 115 DEG C, is decompressed under -0.09MPa and is dehydrated 1.25 hours；60 DEG C are cooled the temperature to, is added
27 parts by weight dioctyl phthalates, 6 parts by weight antifoaming agent AC301 and 1.5 parts by weight of octanoic acid stannous stir 30min, mixing
It discharges after uniformly, after cooling and obtains B component.
By component A and B component by weight ratio 1:1 ratio is uniformly mixed film molding.Its performance indicator is as follows：It stretches
Intensity is 8.63MPa, elongation at break 503%.Puncture force is 39.62N.
Above said content is only the basic explanation under present inventive concept, and is appointed made by technical solution according to the present invention
What equivalent transformation, is within the scope of protection of the invention.
Claims (1)
1. a kind of polyurethane water-proof paint of puncture-resistant, it is characterised in that：It is grouped as by two groups of A, B, component A is by performed polymer 1
It is mixed with performed polymer 2；
In parts by weight, the composition of the performed polymer 1 and content are as follows：
25.8~28.5 parts of toluene di-isocyanate(TDI)；
20~30 parts of Polyether 220；
3,050 20~30 parts of polyethers；
15~25 parts of polyethers 330N；
In parts by weight, the composition of the performed polymer 2 and content are as follows：
24.3~27.5 parts of toluene di-isocyanate(TDI)；
55~65 parts of Polyether 220；
3,050 10~20 parts of polyethers；
The weight ratio of performed polymer 1 and performed polymer 2 is 1：1；
In parts by weight, the composition of the B component and content are as follows：
Bis- 15.7~17 parts of chloro- 4,4'- diaminodiphenyl-methanes of 3,3'-；
70~80 parts of chlorinated paraffin；
66~80 parts of talcum powder；
1~2 part of stannous octoate；
2~6 parts of antifoaming agent AC301；
25~30 parts of dioctyl phthalate；
The weight ratio of component A and B component is 1：1；
The preparation method of the polyurethane water-proof paint of above-mentioned puncture-resistant, includes the following steps：
One the step of preparing 1 component of performed polymer：
1）Weigh toluene di-isocyanate(TDI), Polyether 220, polyethers 3050, polyethers 330N respectively according to parts by weight；
2）Polyether 220, polyethers 3050, polyethers 330N are added in the reactor, stirring is warming up to 110 DEG C~120 DEG C, be decompressed to-
0.09MPa is dehydrated 1~2 hour；
3）80 DEG C~85 DEG C are reduced the temperature to, the toluene di-isocyanate(TDI) no more than 40% is added, in nitrogen protection and stirring
Under, 80 DEG C~85 DEG C are reacted 1.5~2.5 hours；Remaining toluene di-isocyanate(TDI) is added, in 80 DEG C~85 DEG C stirrings
Under, keep the temperature 0.75~1.5 hour；
Cooling discharge obtains 1 component of performed polymer；
One the step of preparing 2 component of performed polymer：
1）Weigh toluene di-isocyanate(TDI), Polyether 220, polyethers 3050 respectively according to parts by weight；
2）Polyether 220, polyethers 3050 are added in the reactor, stirring is warming up to 110 DEG C~120 DEG C, and it is de- to be decompressed to -0.09MPa
Water 1~2 hour；
3）80 DEG C~85 DEG C toluene di-isocyanate(TDI)s being added no more than 46% are reduced the temperature to, in nitrogen protection and stirring
Under, 80 DEG C~85 DEG C are reacted 1.5~2.5 hours；Remaining toluene di-isocyanate(TDI) is added, in 80 DEG C~85 DEG C stirrings
Under, keep the temperature 0.75~1.5 hour；
Cooling discharge obtains 2 component of performed polymer；
Performed polymer 1 and performed polymer 2 are with weight ratio 1：Component A is made after 1 mixing；
The step of one preparation B component：
1）Weigh bis- chloro- 4,4'- diaminodiphenyl-methanes of 3,3'-, chlorinated paraffin, talcum powder, pungent respectively according to parts by weight
Sour stannous, antifoaming agent AC301, dioctyl phthalate；
2）3,3 '-two chloro- 4,4 '-diaminodiphenyl-methanes, talcum powder, chlorinated paraffin are added in the reactor to stir and be warming up to
It 110 DEG C~120 DEG C, is decompressed to -0.09MPa and is dehydrated 1~1.5 hour；
3）60 DEG C are cooled the temperature to, dioctyl phthalate, stannous octoate and antifoaming agent AC301, insulated and stirred is added
30min, after mixing, cooling discharge obtain B component；
By component A and B component according to weight ratio 1：The polyurethane water-proof paint of puncture-resistant is made after 1 mixing.
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| CN201610490398.0A CN106010208B (en) | 2016-06-29 | 2016-06-29 | A kind of polyurethane water-proof paint of puncture-resistant and preparation method thereof |
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| CN201610490398.0A CN106010208B (en) | 2016-06-29 | 2016-06-29 | A kind of polyurethane water-proof paint of puncture-resistant and preparation method thereof |
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| CN106010208B true CN106010208B (en) | 2018-10-12 |
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| CN110776824A (en) * | 2019-11-27 | 2020-02-11 | 中国矿业大学徐海学院 | Preparation method of novel waterproof coating |
| CN116376423A (en) * | 2023-04-26 | 2023-07-04 | 广州市纵横高新材料科技有限公司 | Oily polyurethane waterproof paint and preparation method thereof |
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| CN102863891A (en) * | 2012-09-12 | 2013-01-09 | 常熟市三恒建材有限责任公司 | Plant-root-piercing-resistant waterproof coating |
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