CN104846717B - Silicon PU type synthetic court - Google Patents
Silicon PU type synthetic court Download PDFInfo
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- CN104846717B CN104846717B CN201510282557.3A CN201510282557A CN104846717B CN 104846717 B CN104846717 B CN 104846717B CN 201510282557 A CN201510282557 A CN 201510282557A CN 104846717 B CN104846717 B CN 104846717B
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Abstract
The invention relates to a synthetic court, and in particular relates to a silicon PU type synthetic court which is suitable for various competition places, is high in elasticity, has anti-abrasion and anti-skid and anti-aging effects, is integrally molded, is uniform in surface layer thickness and is colorful and is used for solving the technical problems in the prior art. The silicon PU type synthetic court comprises a basic layer, a waterproof layer, a silicon PU elastic layer and a cover finishing coat protection layer, wherein the silicon PU elastic layer consists of a leveling layer and a reinforcement layer. The silicon PU type synthetic court can be widely applied to basketball, tennis ball and badminton ball places with various fundamental planes, various indoor and outdoor leisure areas, gymnasiums, gymnasium activity places and the like.
Description
Technical field
The present invention relates to a kind of synthetic court, and in particular to a kind of silicon PU type synthetic courts.
Background technology
Various sports centers, especially court, are one of athletic grounds of numerous sports enthusiasts, because of court almost often
, all in work, the service life in court directly determines its performance for it, therefore, the basal plane design in court is particularly important；It is existing
In technology, generally using plastic cement, cement or timber floor court, however, these courts wear no resistance, poor flexibility, court basal plane holds
Easily it is recessed, court is easily skidded, with the progress of science and technology, foreign countries introduce there are a kind of silicon PU courts, and it has extraordinary
Elasticity, and with certain wearability, it is unsuitable injured when sports enthusiast moves on court, but existing silicon PU balls
Feel like jelly in sunlight irradiation lower surface, tacky shortage motion texture, and with sharp aroma, it is impossible to which to sports enthusiast, one relaxes
Suitable, stable movement environment.
The content of the invention
To solve the technical problem that prior art is present, the invention provides a kind of be applied to various competition area, elasticity
Good, wear-resisting antiskid, be integrally formed, surface thickness is uniform, ageing-resistant, bright silicon PU type synthetic courts.
For achieving the above object, the technical solution adopted in the present invention is silicon PU type synthetic courts, including basal layer, waterproof
Layer, silicon PU elastic layers and finish protective layer, the silicon PU elastic layers are made up of screed-coat and enhancement layer, specifically according to following step
Suddenly constructed,
A, basal layer process：Bituminous concrete basis and coagulating cement earth foundation are cleaned, then using 7-9%'s
Aqueous hydrochloric acid solution is rinsed, and is being rinsed well with clear water, then dries, and finally expansion joint injection silicon PU elastic materials are filled out
Mend；
B, waterproof layer：By silicon PU primer roller coating on basal layer, per square meter roller coating 0.15kg～0.25kg silicon PU primary coats
Material；
C, silicon PU elastic layers：By silicon PU elastic materials along with 10～20% quartz sand, after mixing and stirring, with scraping rake
Or trowel is applied on waterproof layer, screed-coat is formed, after screed-coat is solid, with ponding method test surfaces flatness, water accumulation part is repaiied again
Filling-in is whole；Silicon PU elastic materials are being coated on screed-coat, enhancement layer is being formed, are then being dried；
D, finish protective layer：Order according to a bed boundary agent, the aqueous finishes of two-layer silicon PU is constructed, by interface
Agent is coated on enhancement layer, then the aqueous finishes of silicon PU and crosslinking agent is carried out into proportioning according to 20.4: 1.6 ratio, while
Addition 10-15% Special anti-skid sand stir, be coated in interfacial agents surface, then by the aqueous finishes of silicon PU with
Crosslinking agent is mixed according to 20.4: 1.6 ratio, is coated in the aqueous finish surface of upper layer of silicon PU.
Preferably, the silicon PU elastic materials include carrying out the component of proportioning according to following weight portion, PPG 220,
190-210 parts；PPG 330N, 240-260 part；Chlorinated paraffin, 180-200 parts；Dioctyl ester, 90-110 parts；Polyalcohol
Benzoic ether, 240-260 parts；Granularity for 600-700 mesh talcum powder, 365-385 parts；Granularity is the talcum powder of 300-400 mesh,
615-635 parts；Calcined kaolin, 240-260 parts；Composite green powder, 11.5-13.5 parts；Light magnesium oxide, 20-40 parts；Toluene two
Isocyanates, 70-90 parts；Dibutyltin dilaurate, 0.9-1.5 parts；Dimethylbenzene, 165-185 parts.
Preferably, the aqueous finishes of the silicon PU include carrying out the component of proportioning, water, 15-20 parts according to following weight portion；
Dispersant, 0.15-0.3 parts, wetting agent, 0.3-0.5 parts；Defoamer, 0.04-0.1 parts；Preservative, 0.12-0.3 parts；Hydroxypropyl
Methylcellulose, 0.3-0.5 parts；Ammoniacal liquor, 0.35-0.45 parts；Alumina silicate 820A powder, 2-3 parts；DOW CORNING DC-51,0.1-0.5
Part；Waterborne polyurethane resin Pn404,1-3 part；Polyurethane acroleic acid modified resin JK-3168,55-75 parts；Coalescents, 1.
5-3.5 part；Mill base, 8 parts.
Preferably, the ratio of curing agent and butyl acetate is 4: 1 in the crosslinking agent.
Compared with prior art, the present invention has following technique effect：Easy construction of the present invention, is not required to add any auxiliary
Material, direct beach reduces construction technical requirement in construction surface, reduces construction cost, improves construction speed；With reasonable
Resilience, can Protection of the sportsman joint, reduce ligament risk of injury, more can improve sportsman run, translational speed, improve
Competitiveness；It is tough and tensile, closely knit with extremely strong adhesive force, unrivaled tensile strength and elongation, be difficult by sole or its
Its hard thing scratch, even using on the great square of flow of the people, also can for a long time keep sparkling clean；With superior weather-proof
Property, will not fade because the environment such as ultraviolet, ozone, acid rain and high/low temperature weather change, efflorescence, the phenomenon such as harden, feel like jelly；And
And environmentally friendly, nontoxic, odorlessness, suitably indoors or the place of densely populated place uses, comply fully with national requirements for environmental protection.
Specific embodiment
In order that the technical problem to be solved, technical scheme and beneficial effect become more apparent, below tie
Embodiment is closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to solve
The present invention is released, is not intended to limit the present invention.
Embodiment one
Silicon PU type synthetic courts, including basal layer, waterproof layer, silicon PU elastic layers and finish protective layer, the silicon PU bullets
Property layer is made up of screed-coat and enhancement layer, specifically follows the steps below construction,
A, basal layer process：Bituminous concrete basis and coagulating cement earth foundation are cleaned, then using 7-9%'s
Aqueous hydrochloric acid solution is rinsed, and is being rinsed well with clear water, then dries, and finally expansion joint injection silicon PU elastic materials are filled out
Mend；
B, waterproof layer：By silicon PU primer roller coating on basal layer, per square meter roller coating 0.15kg～0.25kg silicon PU primary coats
Material；
C, silicon PU elastic layers：By silicon PU elastic materials along with 10～20% quartz sand, after mixing and stirring, with scraping rake
Or trowel is applied on waterproof layer, screed-coat is formed, after screed-coat is solid, with ponding method test surfaces flatness, water accumulation part is repaiied again
Filling-in is whole；Silicon PU elastic materials are being coated on screed-coat, enhancement layer is being formed, are then being dried；
D, finish protective layer：Order according to a bed boundary agent, the aqueous finishes of two-layer silicon PU is constructed, by interface
Agent is coated on enhancement layer, then the aqueous finishes of silicon PU and crosslinking agent is carried out into proportioning according to 20.4: 1.6 ratio, while
Addition 10-15% Special anti-skid sand stir, be coated in interfacial agents surface, then by the aqueous finishes of silicon PU with
Crosslinking agent is mixed according to 20.4: 1.6 ratio, is coated in the aqueous finish surface of upper layer of silicon PU.
Wherein, silicon PU elastic materials include carrying out the component of proportioning according to following weight portion, 220,190 parts of PPG；
PPG 330N, 240 parts；Chlorinated paraffin, 180 parts；Dioctyl ester, 90 parts；DEDB, 240 parts；Granularity is
The talcum powder of 600-700 mesh, 365 parts；Granularity for 300-400 mesh talcum powder, 615 parts；Calcined kaolin, 240 parts；Composite green
Powder, 11.5 parts；Light magnesium oxide, 20 parts；Toluene di-isocyanate(TDI), 70 parts；Dibutyltin dilaurate, 0.9 part；Diformazan
Benzene, 165 parts.
The aqueous finishes of silicon PU include carrying out the component of proportioning according to following weight portion, water, 15 parts；Dispersant, 0.15 part,
Wetting agent, 0.3 part；Defoamer, 0.04 part；Preservative, 0.12 part；Hydroxypropyl methyl cellulose, 0.3 part；Ammoniacal liquor, 0.35 part；
Alumina silicate 820A powder, 2 parts；DOW CORNING DC-51,0.1 part；Waterborne polyurethane resin Pn404,1 part；The modified tree of polyurethane acroleic acid
Fat JK-3168,55 parts；Coalescents, 1.5 parts；Mill base, 8 parts.The ratio of curing agent and butyl acetate is 4: 1 in crosslinking agent.
Court elasticity is good in the present embodiment, wear-resisting antiskid, surface thickness are uniform, ageing-resistant, bright in luster, and indices are equal
Meet national requirements, be widely portable to the basketball of various basal planes, tennis, shuttlecock and various indoor and outdoor Recreation areas, gymnasium,
Sports space for activities etc.；Lead to suitable for the means of transport such as aircraft, steamer, train, subway ground and time guest room, ticket lobby, square
The places such as road；Suitable for places such as exhibition room, machine room, high-level various industrial premises, warehouses.
Testing result such as following table：
Embodiment two
Silicon PU type synthetic courts, including basal layer, waterproof layer, silicon PU elastic layers and finish protective layer, the silicon PU bullets
Property layer is made up of screed-coat and enhancement layer, specifically follows the steps below construction,
A, basal layer process：Bituminous concrete basis and coagulating cement earth foundation are cleaned, then using 7-9%'s
Aqueous hydrochloric acid solution is rinsed, and is being rinsed well with clear water, then dries, and finally expansion joint injection silicon PU elastic materials are filled out
Mend；
B, waterproof layer：By silicon PU primer roller coating on basal layer, per square meter roller coating 0.15kg～0.25kg silicon PU primary coats
Material；
C, silicon PU elastic layers：By silicon PU elastic materials along with 10～20% quartz sand, after mixing and stirring, with scraping rake
Or trowel is applied on waterproof layer, screed-coat is formed, after screed-coat is solid, with ponding method test surfaces flatness, water accumulation part is repaiied again
Filling-in is whole；Silicon PU elastic materials are being coated on screed-coat, enhancement layer is being formed, are then being dried；
D, finish protective layer：Order according to a bed boundary agent, the aqueous finishes of two-layer silicon PU is constructed, by interface
Agent is coated on enhancement layer, then the aqueous finishes of silicon PU and crosslinking agent is carried out into proportioning according to 20.4: 1.6 ratio, while
Addition 10-15% Special anti-skid sand stir, be coated in interfacial agents surface, then by the aqueous finishes of silicon PU with
Crosslinking agent is mixed according to 20.4: 1.6 ratio, is coated in the aqueous finish surface of upper layer of silicon PU.
Wherein, silicon PU elastic materials include carrying out the component of proportioning according to following weight portion, 220,200 parts of PPG；
PPG 330N, 250 parts；Chlorinated paraffin, 188 parts；Dioctyl ester, 100 parts；DEDB, 250 parts；Granularity is
The talcum powder of 600-700,375 parts；Granularity for 300-400 talcum powder, 625 parts；Calcined kaolin, 250 parts；Composite green powder,
12.5 parts；Light magnesium oxide, 30 parts；Toluene di-isocyanate(TDI), 80 parts；Dibutyltin dilaurate, 1.2 parts；Dimethylbenzene,
175 parts.
The aqueous finishes of silicon PU include carrying out the component of proportioning according to following weight portion, water, 17 parts；Dispersant, 0.22 part,
Wetting agent, 0.4 part；Defoamer, 0.07 part；Preservative, 0.22 part；Hydroxypropyl methyl cellulose, 0.4 part；Ammoniacal liquor, 0.4 part；Silicon
Sour aluminium 820A powder, 2.51 parts；DOW CORNING DC-51,0.3 part；Waterborne polyurethane resin Pn404,2 parts；Polyurethane acroleic acid is modified
Resin JK-3168,65 parts；Coalescents, 2.5 parts；Mill base, 8 parts.
The ratio of curing agent and butyl acetate is 4: 1 in crosslinking agent.
Court elasticity is good in the present embodiment, wear-resisting antiskid, surface thickness are uniform, ageing-resistant, bright in luster, and indices are equal
Meet national requirements, be widely portable to the basketball of various basal planes, tennis, shuttlecock and various indoor and outdoor Recreation areas, gymnasium,
Sports space for activities etc.；Lead to suitable for the means of transport such as aircraft, steamer, train, subway ground and time guest room, ticket lobby, square
The places such as road；Suitable for places such as exhibition room, machine room, high-level various industrial premises, warehouses.
Testing result such as following table：
Embodiment three
Silicon PU type synthetic courts, including basal layer, waterproof layer, silicon PU elastic layers and finish protective layer, the silicon PU bullets
Property layer is made up of screed-coat and enhancement layer, specifically follows the steps below construction,
A, basal layer process：Bituminous concrete basis and coagulating cement earth foundation are cleaned, then using 7-9%'s
Aqueous hydrochloric acid solution is washed in carrying out, and is being rinsed well with clear water, is then dried, and finally expansion joint injection silicon PU elastic materials are filled out
Mend；
B, waterproof layer：By silicon PU primer roller coating on basal layer, per square meter roller coating 0.15kg～0.25kg silicon PU primary coats
Material；
C, silicon PU elastic layers：By silicon PU elastic materials along with 10～20% quartz sand, after mixing and stirring, with scraping rake
Or trowel is applied on waterproof layer, screed-coat is formed, after screed-coat is solid, with ponding method test surfaces flatness, water accumulation part is repaiied again
Filling-in is whole；Silicon PU elastic materials are being coated on screed-coat, enhancement layer is being formed, are then being dried；
D, finish protective layer：Order according to a bed boundary agent, the aqueous finishes of two-layer silicon PU is constructed, by interface
Agent is coated on enhancement layer, then the aqueous finishes of silicon PU and crosslinking agent is carried out into proportioning according to 20.4: 1.6 ratio, while
Addition 10-15% Special anti-skid sand stir, be coated in interfacial agents surface, then by the aqueous finishes of silicon PU with
Crosslinking agent is mixed according to 20.4: 1.6 ratio, is coated in the aqueous finish surface of upper layer of silicon PU.
Wherein, silicon PU elastic materials include carrying out the component of proportioning according to following weight portion, 220,210 parts of PPG；
PPG 330N, 260 parts；Chlorinated paraffin, 200 parts；Dioctyl ester, 110 parts；DEDB, 260 parts；Granularity is
The talcum powder of 600-700 mesh, 385 parts；Granularity for 300-400 mesh talcum powder, 635 parts；Calcined kaolin, 260 parts；Composite green
Powder, 13.5 parts；Light magnesium oxide, 40 parts；Toluene di-isocyanate(TDI), 90 parts；Dibutyltin dilaurate, 1.5 parts；Diformazan
Benzene, 185 parts.
The aqueous deep finish paints of silicon PU include carrying out the component of proportioning according to following weight portion, water, 20 parts；Dispersant, 0.3 part,
Wetting agent, 0.5 part；Defoamer, 0.1 part；Preservative, 0.3 part；Hydroxypropyl methyl cellulose, 0.5 part；Ammoniacal liquor, 0.45 part；Silicon
Sour aluminium 820A powder, 3 parts；DOW CORNING DC-51,0.5；Waterborne polyurethane resin Pn404,3 parts；Polyurethane acroleic acid modified resin
JK-3168,75 parts；Coalescents, 3.5 parts；Mill base, 8 parts.
The ratio of curing agent and butyl acetate is 4: 1 in crosslinking agent.
Court elasticity is good in the present embodiment, wear-resisting antiskid, surface thickness are uniform, ageing-resistant, bright in luster, and indices are equal
Meet national requirements, be widely portable to the basketball of various basal planes, tennis, shuttlecock and various indoor and outdoor Recreation areas, gymnasium,
Sports space for activities etc.；Lead to suitable for the means of transport such as aircraft, steamer, train, subway ground and time guest room, ticket lobby, square
The places such as road；Suitable for places such as exhibition room, machine room, high-level various industrial premises, warehouses.
Testing result such as following table：
The Specific construction technique of the present invention is as follows：
First, fundamental importance：
1st, the basis of silicon PU motion grounds can be divided into bituminous concrete basis and coagulating cement earth foundation.
2nd, bituminous concrete basis is closely knit, solid, smooth, rough surface, without crack, without vestige is rolled, new basis needs
Maintenance 7-10 days.
3rd, coagulating cement earth foundation is smooth, hard, rough surface, without sand return phenomenon, can not there is fracture and thin seam；Table
Face can not have the cement flour of emersion, and cement concrete mark reaches concrete C-25 test stones, and new basis need to maintain 25-30 days.
4th, the measurement of flatness, with three meters of rulers when basic plane any point is measured the depression without more than 3mm, or use
The 1 meter of ruler depression of measurement without more than 1mm is qualified.
2nd, basic process：
1st, first, place basis is cleaned, removes the debris such as the pitch or cement mortar of base residual.Destroy pitch
Impression or the floating powder of cement, the soil eliminating impurities in expansion joint are clean, dryness in the sun.
2nd, concrete pedestal is scrubbed with 8% or so aqueous hydrochloric acid solution, then is rinsed well with clear water, then dried.
3rd, silicon PU elastic materials will be injected in dry expansion joint, is supplemented smooth.When expansion joint it is for example wide, it is too deep when,
Should be by silicon PU elastic materials: quartz sand=1: 6 proportioning is filled up after mixing.
3rd, roller coating waterproof primary coat：
1st, for basis is cement concrete, sealing is carried out using silicon PU primers, strengthens silicon PU surface layers and base
The bonding force of plinth.
When the 2nd, constructing, cement concrete layer should be in drying regime substantially, and moisture content is advisable less than 9%, its simple measure side
Method be by area be 1m2, the rubber slab that thickness is 1.5～2.1mm be covered on basic unit face, place 2～3 hours, such as covering
Floor surface no-watermark, again without watermark is condensed, empirically its moisture content is less than the rubber slab of close proximity to ground side
9%, meet construction requirement.
3rd, roller coating primary coat, silicon PU primers are poured in preprepared bucket, if feeding-up, can be with dilution dilution agent.This
Operation purpose is cut-off basic unit moisture, prevents silicon PU elastic layers from playing drum and comes off；Basic unit is reinforced, silicon PU elastic layers is improved with ground
Adhesion strength, prevents surface layer from the defects such as pin pore occur.
4th, roller coating construction：It is equal in complex regions such as negative and positive angle, pipe roots that the available paintbrush of the construction of small area dips in primary coat
Even coating one time, then round brush is carried out large-area construction with length.Roller coating is uniform, must not be blocked up or excessively thin, less allows show-through.
General roller coating is with 0.15kg/m2～0.25kg/m2It is advisable.Primary coat is wanted more than 12 hours after dry solidification after having constructed, and just can be carried out
The construction of next process.
4th, silicon PU courts elastic layer construction：
A silicon PU courts elastic layer typically point two-layer is constructed, and ground floor is screed-coat, and the second layer is enhancement layer.
1st, screed-coat：By silicon PU elastic materials along with 10～20% quartz sand, after mixing and stirring, harrowed or trowel with scraping
Cutter painting, according to the principle that material proportion is 1.2, according to live desired thickness, sets what one group of material should pave on base surface
Area.After screed-coat is solid, with ponding method test surfaces flatness, water accumulation part repair it is smooth, if surface have granular debris or
Enhancement layer construction can be just carried out after need to being put down with grinding machine or other tooling revisions at accumulation.
2nd, enhancement layer：Enhancement layer need not add quartz sand in construction, and construction method is basically identical with screed-coat.Applying
If have debris to be mixed into during work or scrape scribble need to repair at out-of-flatness it is smooth after can just carry out top coat layer construction.Note when painting is scraped
Levelling effect, if being unable to levelling scraping teeth vestige, need to add diluent to adjust denseness, to ensure silicon PU courts material surface levelling.If
Temperature relatively low (10 DEG C of ＜) and humidity relatively low (＜ 50%), its actual hardening time can have been delayed.
5th, finish construction：
1st, preparation
If (elastic layer construction in silicon PU courts completes more than 2 days, it is necessary to which elastic layer surface is polished, and removes clean powder
Dirt, then the construction of cover enamelled coating is carried out, strengthen the bonding force of finish and elastic layer).
1.1st, according to the region of the variant function in live court, set color and marked line of demarcation.
1.2nd, all of interfacial agents, finish host and crosslinking Liu have been cleared, the required instrument of finish paint construction has been got out (such as
Glue rake, cylinder, spray gun etc.).
2nd, construction process
Silicon PU aqueous finish paints are constructed according to the order of a bed boundary agent two-layer finish.
2.1st, roller coating interfacial agents：With cylinder by interfacial agents equably roller coating on silicon PU enhancement layers, if interfacial agents are feeding-up, can
Appropriate diluent is added to be diluted, roller coating process is careful, consistency of thickness, there can not be bottom drain, and it is little that hardening time is about 12
When.
2.2, ground floor finish construction：By the aqueous finish colored paint mixed cross-linkers of silicon PU (proportioning be colored paint 20.4kg:
Crosslinking agent 1.6kg), and addition 10-15% Special anti-skid sand stirred, with reference to construction requirement, can add suitable
The water of amount is adjusted the denseness of material, then scratches again, roller coating or is sprayed at the silicon PU surfaces for being ready for interface agent layer
On.
2.3rd, second layer finish construction：By the aqueous finish colored paint mixed cross-linkers of silicon PU (proportioning be colored paint 20.4kg:
Crosslinking agent 1.6kg), it is not necessary to add anti-skidding sand, with reference to construction requirement, appropriate water can be added to be adjusted the denseness of material,
Then scratch again, roller coating or be sprayed on the silicon PU surfaces for being ready for ground floor finish.
2.4th, in work progress, periodically stirring should be carried out to deployed finish to guarantee the consistent of finish paint surface
Property；Finish allotment stirring will cancel unusable more than hour；Finish paint construction must be uniform, examines glue
Face, it is impossible to bottom drain.
2.4th, after construction is finished, special messenger is stayed to keep an eye on, it is impossible to allow idler to walk on court surface, guard against and leave footwear
Print, disfeature quality.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., all should wrap within the scope of the present invention.
Claims (1)
1. silicon PU types synthetic court, it is characterised in that：Including basal layer, waterproof layer, silicon PU elastic layers and finish protective layer, institute
State silicon PU elastic layers to be made up of screed-coat and enhancement layer, specifically follow the steps below construction,
A, basal layer process：Bituminous concrete basis and coagulating cement earth foundation are cleaned, then using the hydrochloric acid of 7-9%
The aqueous solution is rinsed, then is rinsed well with clear water, then dries, and finally expansion joint injection silicon PU elastic materials are filled up；
B, waterproof layer：By silicon PU primer roller coating on basal layer, per square meter roller coating 0.15kg～0.25kg silicon PU primers；
C, silicon PU elastic layers：By silicon PU elastic materials along with 10～20% quartz sand, after mixing and stirring, harrowed or trowel with scraping
Cutter painting forms screed-coat on waterproof layer, and after screed-coat is solid, with ponding method test surfaces flatness, water accumulation part repairs flat
It is whole；Silicon PU elastic materials are coated on screed-coat again, form enhancement layer, then dried；
D, finish protective layer：Order according to a bed boundary agent, the aqueous finishes of two-layer silicon PU is constructed, and interfacial agents are applied
Overlay on enhancement layer, then the aqueous finishes of silicon PU and crosslinking agent are carried out into proportioning according to 20.4: 1.6 ratio, while addition
The Special anti-skid sand of 10-15% is stirred, and is coated in interfacial agents surface, then again by the aqueous finishes of silicon PU and crosslinking
Agent is mixed according to 20.4: 1.6 ratio, is coated in the aqueous finish surface of upper layer of silicon PU；
The silicon PU elastic materials include carrying out the component of proportioning, PPG 220,190-210 parts according to following weight portion；It is poly-
Ethoxylated polyhydric alcohol 330N, 240-260 part；Chlorinated paraffin, 180-200 parts；Dioctyl ester, 90-110 parts；DEDB, 240-
260 parts；Granularity for 600-700 mesh talcum powder, 365-385 parts；Granularity for 300-400 mesh talcum powder, 615-635 parts；Forge
Burn kaolin, 240-260 parts；Composite green powder, 11.5-13.5 parts；Light magnesium oxide, 20-40 parts；Toluene di-isocyanate(TDI), 70-
90 parts；Dibutyltin dilaurate, 0.9-1.5 parts；Dimethylbenzene, 165-185 parts；
The aqueous finish of the silicon PU includes carrying out the component of proportioning, water, 15-20 parts according to following weight portion；Dispersant,
0.15-0.3 parts, wetting agent, 0.3-0.5 parts；Defoamer, 0.04-0.1 parts；Preservative, 0.12-0.3 parts；Hydroxypropyl methyl is fine
Dimension element, 0.3-0.5 parts；Ammoniacal liquor, 0.35-0.45 parts；Alumina silicate 820A powder, 2-3 parts；DOW CORNING DC-51,0.1-0.5 part；It is aqueous
Polyurethane resin PN404,1-3 part；Polyurethane acroleic acid modified resin JK-3168,55-75 parts；Coalescents, 1.5-3.5 parts；
Mill base, 8 parts；
The ratio of curing agent and butyl acetate is 4: 1 in the crosslinking agent.
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| CN110117350A (en) * | 2019-05-10 | 2019-08-13 | 广东中星体育设施有限公司 | A kind of court impact resistance hyperelastic silicon PU material |
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