CN116199854B - Alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material and preparation method thereof - Google Patents
Alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material and preparation method thereof Download PDFInfo
- Publication number
- CN116199854B CN116199854B CN202310456874.7A CN202310456874A CN116199854B CN 116199854 B CN116199854 B CN 116199854B CN 202310456874 A CN202310456874 A CN 202310456874A CN 116199854 B CN116199854 B CN 116199854B
- Authority
- CN
- China
- Prior art keywords
- component
- resistant
- alkali
- salt
- polyol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3802—Low-molecular-weight compounds having heteroatoms other than oxygen having halogens
- C08G18/3814—Polyamines
-
- 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
- C08G18/4829—Polyethers containing at least three hydroxy groups
-
- 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
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- 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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/69—Polymers of conjugated dienes
- C08G18/698—Mixtures with compounds of group C08G18/40
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
-
- 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
- C08G2350/00—Acoustic or vibration damping material
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of polyurethane plastic materials, in particular to an alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material and a preparation method thereof. The composite material consists of a component A and a component B, wherein the component A and the component B comprise the following raw materials in percentage by weight: and a component A: 30-40% of polyether polyol; 6-7% of a chain extender; 20-25% of plasticizer; 25-35% of filler; 5-7% of pigment; 0.5-1% of a dispersing agent; 0.5-1% of a thickening agent; 0.5-1% of a catalyst; and the component B: 55-65% of polyether polyol; 25-35% of isocyanate; 7-8% of a silane coupling agent; 1-1.5% of an antioxidant; 1-1.5% of an ultraviolet absorber; according to the invention, silane modified calcined kaolin is introduced as a filler, and the subacidity of the kaolin and the hydrophobicity after silane modification are utilized to neutralize the slight alkali of seawater, so that the corrosion of seawater to polyurethane materials is reduced, and the polyurethane material has better alkali resistance and salt resistance.
Description
Technical Field
The invention relates to the technical field of polyurethane plastic materials, in particular to an alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material and a preparation method thereof.
Background
With the development of science, technology and socioeconomic performance, polyurethane materials have been applied to various fields of society, and polyurethane for pavement has become a main member of polyurethane materials. The polyurethane paving material is a polyurethane elastomer material for paving floors in various places, is widely applied to places such as sports fields, highways, terraces, parks and the like, and has the characteristics of good elasticity, good comfort level and bright color. The playground is divided into playgrounds such as plastic tracks, plastic basketball courts, plastic badminton courts and the like, the plastic basketball courts are applied to middle schools, universities, stadiums and public sports places, along with the continuous development of the plastic basketball courts, the service lives of the plastic basketball courts are obviously shortened when the plastic basketball courts are applied to seasides and ships, and the plastic basketball courts on seasides and ships are often washed by seawater, the seawater contains a large amount of salt, the pH value of the seawater is 8.0-8.5, and the seawater is slightly alkaline. Sea salt and weak alkaline sea water can cause corrosion to polyurethane plastic basketball court surface materials, so that service life is seriously shortened. And the research on alkali resistance and salt resistance of polyurethane is relatively less, so that the development of a salt-resistant and alkali-resistant polyurethane plastic basketball court surface layer material is urgent.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material, and the formula is scientific and reasonable.
The invention also provides a preparation method thereof, which is simple and easy to implement and is suitable for mass production.
The alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material is prepared from a component A and a component B according to a ratio of 3:1, wherein the component A and the component B comprise the following raw materials in percentage by weight:
and a component A:
30-40% of polyether polyol;
6-7% of a chain extender;
20-25% of plasticizer;
25-35% of filler;
5-7% of pigment;
0.5-1% of a dispersing agent;
0.5-1% of a thickening agent;
0.5-1% of a catalyst;
and the component B:
55-65% of polyether polyol;
25-35% of isocyanate;
7-8% of a silane coupling agent;
1-1.5% of an antioxidant;
1-1.5% of an ultraviolet absorber;
the polyether polyol in the component A is a mixture of polyolefin polyol and polyoxypropylene polyol;
the polyether polyol in the component B is a mixture of polyoxypropylene polyol and polytetramethylene ether glycol; the polytetramethylene ether glycol is preferably PTMG2000 manufactured by Shandong blue Stark university Co., ltd;
the filler is silane modified calcined kaolin; the particle size of the silane-modified calcined kaolin is preferably 800 mesh; preferably the Shanghai Hui essence is a product produced by new sub-nanometer materials Co.Ltd;
the plasticizer is long-chain chlorinated paraffin; preferably CP52 manufactured by ruxi chemical group inc;
the silane coupling agent is KH-331 produced by Hangzhou Jewelca chemical industry Co., ltd;
the polyolefin polyol is hydroxyl-terminated polybutadiene polyol; preferably type IV HTPB manufactured by zibolone chemical industry limited;
the mixing mass ratio of the polyoxypropylene polyol to the polyolefin polyol in the component A is 5:1;
the mixing mass ratio of the polyoxypropylene polyol to the polytetramethylene ether glycol in the component B is 4:1.
The polyoxypropylene polyol functionality is 3 and the number average molecular weight is 3000; preferably MN3050 manufactured by eastern blue star chemistry limited.
The chain extender is 4,4' -methylenebis (2-chloroaniline), preferably MOCA manufactured by Hunan chemical Co., ltd.
The pigment is synthetic ferric oxide.
The dispersant is BYK-110 manufactured by Pick chemical (copper tomb) Co.
The thickener is fumed silica, preferably R202 manufactured by Ying specialty Chemie Co., ltd.
The catalyst is zinc isooctanoate.
The isocyanate is diphenylmethane diisocyanate, preferably MDI-50 manufactured by vancomic chemical group co.
The antioxidant is antioxidant 1010 produced by Wuda lake chemical company, and the ultraviolet absorber is UV-320 produced by Taiwan Yongchu chemical industry Co., ltd.
The preparation method of the alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material comprises the following steps:
the preparation process of the component A comprises the following steps:
putting polyether polyol and plasticizer into a reaction kettle, starting stirring, adding a chain extender, a filler, a pigment and a thickener at 60-70 ℃, heating to 95-100 ℃, vacuum dehydrating for 1h, after the water content is qualified (the water content is less than or equal to 0.03%), adding a catalyst and a dispersing agent, and stirring uniformly to obtain a component A;
the preparation process of the component B comprises the following steps:
adding isocyanate into a reaction kettle, starting stirring, adding polyether polyol at 40-50 ℃, heating to 72-78 ℃, preserving heat for 2.5 hours, adding a silane coupling agent, an ultraviolet absorbent and an antioxidant, maintaining the temperature at 72-78 ℃ for reaction for 1 hour, sampling and detecting the-NCO content, wherein the-NCO is qualified, and the-NCO qualified standard is 8-9%, thus obtaining a component B;
and (3) uniformly mixing the component A and the component B, paving the mixture to be 4mm thick, and curing the mixture at room temperature for 2 days to obtain the alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, through molecular structure design, polyolefin polyol and low-molecular-weight polyether polyol are introduced into the component A, polytetramethylene ether glycol is introduced into the component B, so that the introduction of electron donating groups on side groups of a molecular chain segment is reduced, the crystallinity and regularity of the molecular chain segment are increased, and the mechanical property of the material is improved.
(2) According to the invention, silane modified calcined kaolin is introduced, and the self subacidity of the kaolin and the hydrophobicity of the silane modified kaolin are utilized, so that seawater can be effectively prevented from invading a polyurethane system, meanwhile, the subalkali of the seawater can be neutralized, the corrosion of the seawater to polyurethane materials is weakened, and the polyurethane material has better alkali resistance and salt resistance.
(3) The invention adopts the fluorine-containing silane coupling agent to match with chlorinated paraffin in the system, effectively improves the ratio of-Cl and-F in the system, protects the alpha-hydrogen atom of ether bond, has hydrophobicity and hydrolytic stability, and effectively improves the acid-base resistance of polyether structure.
(4) The preparation method provided by the invention is scientific, reasonable, simple and feasible, and is suitable for industrial production.
Detailed Description
The invention is further illustrated by the following examples.
All materials used in the examples are commercially available, except as specified.
Example 1
(1) The preparation process of the component A comprises the following steps:
putting 250g of MN3050, 50g of HTPB and 200g of long-chain chlorinated paraffin into a reaction kettle, starting stirring, adding 70g of MOCA, 350g of silane modified calcined kaolin, 50g of synthetic ferric oxide and 10g of fumed silica at 65+/-5 ℃, heating to 97.5+/-2.5 ℃, carrying out vacuum dehydration for 1h, after the test moisture is qualified (moisture=0.02%), adding 10g of zinc isooctanoate and 10g of BYK-110, stirring for 30min, and barreling to obtain the product.
(2) The preparation process of the component B comprises the following steps:
350g of MDI-50 is put into a reaction kettle, stirring is started, 440g of MN3050 and 110g of PTMG2000 are added under the condition of 45+/-5 ℃, the temperature is raised to 75+/-3 ℃ for 60min, the heat is preserved for 2.5h, 80g of KH-331, 10g of UV-320 and 10g of antioxidant 1010 are added, the temperature is maintained to 75+/-3 ℃, the reaction is carried out for 1h, the sample is taken, the content of-NCO is detected to be 8.1%, and the product is obtained after barreling.
And (3) uniformly mixing and stirring the component A and the component B according to the mass ratio of 3:1, paving for 4mm thick, and curing for 2 days at room temperature to obtain a finished product.
Example 2
(1) The preparation process of the component A comprises the following steps:
adding 291.7g of MN3050, 58.3g of HTPB and 250g of long-chain chlorinated paraffin into the mixture for reaction, starting stirring, adding 60g of MOCA, 275g of silane modified calcined kaolin, 50g of synthetic ferric oxide and 5g of fumed silica at 65+/-5 ℃, heating to 97.5+/-2.5 ℃, carrying out vacuum dehydration for 1h, after the water content is qualified (the water content is=0.03%), adding 5g of zinc iso-octoate and 5g of BYK-110, stirring for 30min, and barreling to obtain the product.
(2) The preparation process of the component B comprises the following steps:
adding 300g of MDI-50 into a reaction kettle, starting stirring, adding 480g of MN3050 and 120g of PTMG2000 at 45+/-5 ℃, heating to 75+/-3 ℃ for 60min, preserving heat for 2.5h, adding 70g of KH-331, 15g of UV-320 and 15g of antioxidant 1010, preserving the temperature at 75+/-3 ℃, reacting for 1h, sampling, detecting that the-NCO content is 8.5%, and barreling to obtain the product.
(3) And (3) uniformly mixing and stirring the component A and the component B according to the mass ratio of 3:1, paving for 4mm thick, and curing for 2 days at room temperature to obtain a finished product.
Example 3
(1) The preparation process of the component A comprises the following steps:
333g of MN3050, 67g of HTPB and 200g of long-chain chlorinated paraffin are put into a reaction kettle, stirring is started, 60g of MOCA, 250g of silane modified calcined kaolin, 60g of synthetic ferric oxide and 10g of fumed silica are added at 65+/-5 ℃, the temperature is raised to 97.5+/-2.5 ℃, vacuum dehydration is carried out for 1h, after the test moisture is qualified (moisture=0.02%), 10g of zinc iso-octoate and 10g of BYK-110 are added, stirring is carried out for 30min, and the product is obtained after barreling.
(2) The preparation process of the component B comprises the following steps:
250g of MDI-50 is put into a reaction kettle, stirring is started, 520g of MN3050 and 130g of PTMG2000 are added under the condition of 45+/-5 ℃, the temperature is raised to 75+/-3 ℃ for 60min, the heat is preserved for 2.5h, 80g of KH-331, 10g of UV-320 and 10g of antioxidant 1010 are added, the temperature is maintained to 75+/-3 ℃, the reaction is carried out for 1h, the sample is taken, the content of-NCO is detected to be 8.3%, and the product is obtained after barreling.
And (3) uniformly mixing and stirring the component A and the component B according to the mass ratio of 3:1, paving for 4mm thick, and curing for 2 days at room temperature to obtain a finished product.
Comparative example 1
(1) The preparation process of the component A comprises the following steps:
putting 350g of MN3050 and 250g of long-chain chlorinated paraffin into a reaction kettle, starting stirring, adding 60g of MOCA, 275g of silane modified calcined kaolin, 50g of synthetic ferric oxide and 5g of fumed silica at 65+/-5 ℃, heating to 97.5+/-2.5 ℃, dehydrating in vacuum for 1h, after the water content is qualified (the water content is=0.02%), adding 5g of zinc iso-octoate and 5g of BYK-110, stirring for 30min, and barreling to obtain the product.
(2) The preparation process of the component B comprises the following steps:
250g of MDI-50 is put into a reaction kettle, stirring is started, 520g of MN3050 and 130g of PTMG2000 are added under the condition of 45+/-5 ℃, the temperature is raised to 75+/-3 ℃ for 60min, the heat is preserved for 2.5h, 80g of KH-331, 10g of UV-320 and 10g of antioxidant 1010 are added, the temperature is maintained to 75+/-3 ℃, the reaction is carried out for 1h, the sample is taken, the content of-NCO is detected to be 8.2%, and the product is obtained after barreling.
(3) And (3) uniformly mixing and stirring the component A and the component B according to the mass ratio of 3:1, paving for 4mm thick, and curing for 2 days at room temperature to obtain a finished product.
Comparative example 2
(1) The preparation process of the component A comprises the following steps:
adding 291.7g of MN3050, 58.3g of HTPB and 250g of long-chain chlorinated paraffin into a reaction kettle, starting stirring, adding 60g of MOCA, 275g of 400-mesh talcum powder, 50g of synthetic ferric oxide and 5g of fumed silica at 65+/-5 ℃, heating to 97.5+/-2.5 ℃, carrying out vacuum dehydration for 1h, after the water content is qualified (water content=0.02%), adding 5g of zinc iso-octoate and 5g of BYK-110, stirring for 30min, and barreling to obtain the product.
(2) The preparation process of the component B comprises the following steps:
250g of MDI-50 is put into a reaction kettle, stirring is started, 520g of MN3050 and 130g of PTMG2000 are added under the condition of 45+/-5 ℃, the temperature is raised to 75+/-3 ℃ for 60min, the heat is preserved for 2.5h, 80g of KH-331, 10g of UV-320 and 10g of antioxidant 1010 are added, the temperature is maintained to 75+/-3 ℃, the reaction is carried out for 1h, the sample is taken, the content of-NCO is detected to be 8.4%, and the product is obtained after barreling.
(3) And (3) uniformly mixing and stirring the component A and the component B according to the mass ratio of 3:1, paving for 4mm thick, and curing for 2 days at room temperature to obtain a finished product.
Comparative example 3
(1) The preparation process of the component A comprises the following steps:
adding 291.7g of MN3050, 58.3g of HTPB and 250g of long-chain chlorinated paraffin into a reaction kettle, starting stirring, adding 60g of MOCA, 275g of silane modified calcined kaolin, 50g of synthetic ferric oxide and 5g of fumed silica at 65+/-5 ℃, heating to 97.5+/-2.5 ℃, carrying out vacuum dehydration for 1h, after the water content is qualified (the water content=0.03%), adding 5g of zinc iso-octoate and 5g of BYK-110, stirring for 30min, and barreling to obtain the product.
(2) The preparation process of the component B comprises the following steps:
250g of MDI-50 is put into a reaction kettle, stirring is started, 650g of MN3050 is added at the temperature of 45+/-5 ℃, the temperature is raised to 75+/-3 ℃ for 60min, the temperature is kept for 2.5h, 80g of KH-331, 10g of UV-320 and 10g of antioxidant 1010 are added, the temperature is kept at 75+/-3 ℃ for 1h, the sample is taken, the-NCO content is detected to be 8.0%, and the product is obtained after barrelling.
(3) And (3) uniformly mixing and stirring the component A and the component B according to the mass ratio of 3:1, paving for 4mm thick, and curing for 2 days at room temperature to obtain a finished product.
Comparative example 4
(1) The preparation process of the component A comprises the following steps:
adding 291.7g of MN3050, 58.3g of HTPB and 250g of long-chain chlorinated paraffin into a reaction kettle, starting stirring, adding 60g of MOCA, 275g of silane modified calcined kaolin, 50g of synthetic ferric oxide and 5g of fumed silica at 65+/-5 ℃, heating to 97.5+/-2.5 ℃, carrying out vacuum dehydration for 1h, after the water content is qualified (the water content=0.03%), adding 5g of zinc iso-octoate and 5g of BYK-110, stirring for 30min, and barreling to obtain the product.
(2) The preparation process of the component B comprises the following steps:
putting 280g of MDI-50 into a reaction kettle, starting stirring, adding 520g of MN3050 and 130g of PTMG2000 at 45+/-5 ℃, heating to 75+/-3 ℃ for 60min, preserving heat for 2.5h, adding 10g of UV-320 and 10g of antioxidant 1010, preserving the temperature at 75+/-3 ℃ for 1h, sampling, detecting that the-NCO content is 8.3%, and barreling to obtain the product.
(3) And (3) uniformly mixing and stirring the component A and the component B according to the mass ratio of 3:1, paving for 4mm thick, and curing for 2 days at room temperature to obtain a finished product.
The physical properties of the finished products obtained in examples 1 to 3 and comparative examples 1 to 4 were tested, and the test results are shown in Table 1.
TABLE 1 physical Property test results
The alkali resistance test is to test the tensile strength of the cured sample again after it is placed in 10% sodium hydroxide solution for 30 days, and the tensile strength value after 30 days is divided by the initial tensile strength value to obtain the tensile strength retention (alkali resistance). The above test was performed at a temperature of 23.+ -. 2 ℃ and a humidity of 50.+ -. 5%.
The salt resistance test is to test the tensile strength of the cured sample again after it is placed in a 10% sodium chloride solution for 30 days, and divide the tensile strength value after 30 days by the initial tensile strength value to obtain the tensile strength retention (salt resistance). The above test was performed at a temperature of 23.+ -. 2 ℃ and a humidity of 50.+ -. 5%.
As can be seen from Table 1, the physical properties of the finished product prepared by the invention are obviously superior, the isocyanate is diphenylmethane diisocyanate, and the hydroxyl-terminated polybutadiene polyol and PTMG2000 are matched, so that the product with high physical properties can be obtained, and the product with high alkali resistance and salt resistance, and higher tensile strength and elongation than those of the same products can be obtained. Meanwhile, the product with high hydrophobicity is obtained through the synergistic effect of the silane modified calcined kaolin and the long-chain chlorinated paraffin. The chlorine atom and fluorine-containing silane coupling agent in the long-chain chlorinated paraffin show good chemical resistance, and meanwhile, the hardness is moderate, so that better elasticity and comfort level can be provided.
Claims (7)
1. The alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material is characterized by being prepared from a component A and a component B according to a mass ratio of 3:1, wherein the component A and the component B comprise the following raw materials in percentage by weight:
and a component A:
30-40% of polyether polyol;
6-7% of a chain extender;
20-25% of plasticizer;
25-35% of filler;
5-7% of pigment;
0.5-1% of a dispersing agent;
0.5-1% of a thickening agent;
0.5-1% of a catalyst;
and the component B:
55-65% of polyether polyol;
25-35% of isocyanate;
7-8% of a silane coupling agent;
1-1.5% of an antioxidant;
1-1.5% of an ultraviolet absorber;
the polyether polyol in the component A is a mixture of polyolefin polyol and polyoxypropylene polyol;
the polyether polyol in the component B is a mixture of polyoxypropylene polyol and polytetramethylene ether glycol;
the mixing mass ratio of the polyoxypropylene polyol to the polyolefin polyol in the component A is 5:1;
the mixing mass ratio of the polyoxypropylene polyol to the polytetramethylene ether glycol in the component B is 4:1;
the filler is silane modified calcined kaolin;
the plasticizer is long-chain chlorinated paraffin;
the silane coupling agent is KH-331;
the polyolefin polyol is hydroxyl-terminated polybutadiene polyol;
the chain extender is 4,4' -methylenebis (2-chloroaniline);
the thickener is fumed silica;
the catalyst is zinc isooctanoate.
2. The alkali-resistant, salt-tolerant polyurethane plastic basketball court surface material of claim 1, wherein the polyoxypropylene polyol has a functionality of 3 and a number average molecular weight of 3000.
3. The alkali-resistant and salt-resistant polyurethane plastic basketball court surface material according to claim 1, wherein the pigment is synthetic ferric oxide.
4. The alkali-resistant and salt-resistant polyurethane plastic basketball court surface material according to claim 1, wherein the dispersing agent is BYK-110.
5. The alkali-resistant and salt-resistant polyurethane plastic basketball court surface material according to claim 1, wherein the isocyanate is diphenylmethane diisocyanate.
6. The alkali-resistant and salt-resistant polyurethane plastic basketball court surface material according to claim 1, wherein the antioxidant is antioxidant 1010 and the ultraviolet absorber is UV-320.
7. A method for preparing the alkali-resistant and salt-resistant polyurethane basketball court surface layer material according to any one of claims 1-6, which is characterized by comprising the following steps:
the preparation process of the component A comprises the following steps:
putting polyether polyol and plasticizer into a reaction kettle, starting stirring, adding a chain extender, a filler, a pigment and a thickener at 60-70 ℃, heating to 95-100 ℃, vacuum dehydrating for 1h, adding a catalyst and a dispersing agent, and stirring uniformly to obtain a component A;
the preparation process of the component B comprises the following steps:
adding isocyanate into a reaction kettle, starting stirring, adding polyether polyol at 40-50 ℃, heating to 72-78 ℃, preserving heat, adding a silane coupling agent, an ultraviolet absorber and an antioxidant, keeping the temperature at 72-78 ℃ for reaction, sampling and detecting the-NCO content, wherein the-NCO qualified standard is 8-9%, and obtaining a component B;
and uniformly mixing the component A and the component B to obtain the alkali-resistant and salt-resistant polyurethane basketball court surface layer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310456874.7A CN116199854B (en) | 2023-04-26 | 2023-04-26 | Alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310456874.7A CN116199854B (en) | 2023-04-26 | 2023-04-26 | Alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116199854A CN116199854A (en) | 2023-06-02 |
| CN116199854B true CN116199854B (en) | 2023-09-01 |
Family
ID=86509707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310456874.7A Active CN116199854B (en) | 2023-04-26 | 2023-04-26 | Alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116199854B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117700684A (en) * | 2023-12-19 | 2024-03-15 | 江门市新会区发达运动用品有限公司 | Preparation process and application of polyurethane plastic material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107129566A (en) * | 2017-03-28 | 2017-09-05 | 江苏耐斯坦铺装材料有限公司 | A kind of polyurethane court material and preparation method thereof |
| CN108102062A (en) * | 2018-01-10 | 2018-06-01 | 安徽匠星联创新材料科技有限公司 | A kind of plastic cement race track non-solvent foamed type polyurethane resin and preparation method thereof |
| CN109651594A (en) * | 2018-12-28 | 2019-04-19 | 山东诺威体育产业有限公司 | High-strength ageing ties grain material and preparation method thereof certainly |
| CN112409778A (en) * | 2020-10-30 | 2021-02-26 | 山东一诺威聚氨酯股份有限公司 | High-gel-content high-weather-resistance polyurethane plastic particle composition and preparation method thereof |
| CN114456349A (en) * | 2021-12-30 | 2022-05-10 | 山东一诺威聚氨酯股份有限公司 | Microporous polyurethane plastic particle material and preparation method and application thereof |
-
2023
- 2023-04-26 CN CN202310456874.7A patent/CN116199854B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107129566A (en) * | 2017-03-28 | 2017-09-05 | 江苏耐斯坦铺装材料有限公司 | A kind of polyurethane court material and preparation method thereof |
| CN108102062A (en) * | 2018-01-10 | 2018-06-01 | 安徽匠星联创新材料科技有限公司 | A kind of plastic cement race track non-solvent foamed type polyurethane resin and preparation method thereof |
| CN109651594A (en) * | 2018-12-28 | 2019-04-19 | 山东诺威体育产业有限公司 | High-strength ageing ties grain material and preparation method thereof certainly |
| CN112409778A (en) * | 2020-10-30 | 2021-02-26 | 山东一诺威聚氨酯股份有限公司 | High-gel-content high-weather-resistance polyurethane plastic particle composition and preparation method thereof |
| CN114456349A (en) * | 2021-12-30 | 2022-05-10 | 山东一诺威聚氨酯股份有限公司 | Microporous polyurethane plastic particle material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116199854A (en) | 2023-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116199854B (en) | Alkali-resistant and salt-resistant polyurethane plastic basketball court surface layer material and preparation method thereof | |
| CN105111724B (en) | A kind of high Waterproof Breathable TPU film and preparation method thereof | |
| CA1067247A (en) | Process for the production of laminates | |
| CN114456349B (en) | Microporous polyurethane plastic particle material and preparation method and application thereof | |
| CN106675490A (en) | Polyurethane adhesive and plastic track prime material as well as preparation methods thereof | |
| CN110951032A (en) | Fast curing type silicon PU material and preparation method thereof | |
| CN103087366A (en) | High-compatibility water swelling rubber and preparation method thereof | |
| CN109651594B (en) | High-strength anti-aging self-textured material and preparation method thereof | |
| CN112341593B (en) | Water-based surface layer polyurethane resin for automobile leather and preparation method thereof | |
| CN112409778A (en) | High-gel-content high-weather-resistance polyurethane plastic particle composition and preparation method thereof | |
| CN108329455A (en) | A kind of water-base polyurethane material and preparation method thereof for the courts EPDM runway | |
| CN109679328B (en) | Fast-curing low-temperature flexible polyurethane adhesive and preparation method and using method thereof | |
| CN107573475B (en) | Polyurethane composition for manufacturing solid football and preparation method and application thereof | |
| CN108192494B (en) | Breathable self-textured sports field material and preparation method thereof | |
| CN114989380B (en) | Hydrolysis-resistant polyester polyurethane court material and preparation method thereof | |
| CN112680088A (en) | Thick-coatable single-component polyurethane material and preparation method thereof | |
| CN102061081B (en) | Method for preparing oil-absorbing polyurethane resin | |
| CN108484869B (en) | Waterproof sealing polyurethane and preparation method and application thereof | |
| CN115322724A (en) | Environment-friendly high-low temperature impact-resistant weather-resistant bi-component polyurethane potting sealant and preparation method thereof | |
| CN115044340A (en) | Antistatic polyurethane glue and preparation method and application thereof | |
| CN112812702B (en) | High-strength self-adhesive waterproof roll and preparation method thereof | |
| CN109096460B (en) | Polyurethane elastomer for manufacturing foamed shoe material and preparation method thereof | |
| CN111057461B (en) | Preparation method of single-component water-curing polyurethane waterproof coating | |
| CN109021195B (en) | High-performance polyurethane elastomer for table tennis ball preparation and preparation method thereof | |
| CN106751735A (en) | A kind of adhesive for polyurethane and vapor-permeable type runway skin-material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |