CN113462270A - PU and PVC treating agent and preparation method thereof - Google Patents
PU and PVC treating agent and preparation method thereof Download PDFInfo
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- CN113462270A CN113462270A CN202110615633.3A CN202110615633A CN113462270A CN 113462270 A CN113462270 A CN 113462270A CN 202110615633 A CN202110615633 A CN 202110615633A CN 113462270 A CN113462270 A CN 113462270A
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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
-
- 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
- C09D7/20—Diluents or solvents
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/264—Aldehydes; Ketones; Acetals or ketals
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/266—Esters or carbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/268—Carbohydrates or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3281—Heterocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
- C14C11/003—Surface finishing of leather using macromolecular compounds
- C14C11/006—Surface finishing of leather using macromolecular compounds using polymeric products of isocyanates (or isothiocyanates) with compounds having active hydrogen
Abstract
The invention discloses a PU and PVC treating agent, which comprises the following components in parts by weight: 10-20 parts of tetrahydrofuran, 25-35 parts of cyclohexanone, 35-50 parts of butanone, 5-10 parts of dimethyl carbonate, 7334.5-5.5 parts of TPU German BASF, and 0.5-1 part of HDI tripolymer. The invention also discloses a preparation method of the PU and PVC treating agent, which comprises the following steps: after the cyclohexanone, butanone, tetrahydrofuran, dimethyl carbonate and HDI tripolymer are put into the reactor in parts by mass, TPU German Pasteur 733 is put into the reactor while being dispersed, the rotation speed is 500-800 r/min, the mixture is stirred for 2-3 hours to be dissolved and dispersed evenly, and then the mixture is sieved by a 400-mesh sieve, discharged and packaged into a finished product. The PU and PVC treating agent can effectively remove oil stains on the surfaces of PU and PVC, can strongly permeate the PU and PVC surface layers, and improves the adhesive force.
Description
Technical Field
The invention belongs to the technical field of leather processing preparations, and particularly relates to a PU and PVC treating agent with good oil stain resistance and capable of improving adhesive force and a preparation method thereof.
Background
The leather product is elegant, comfortable, firm and durable, is widely applied to products such as clothes, shoes, bags and the like by people, and has diversified production and enriched life of people along with the development of the technology. Natural leather, the earliest raw material, has natural ecological characteristics, but with the growth of the world population and the rapid development of economy, the demand of human beings for multiple leathers is increased at a rapid rate, and natural leather can not meet the demand of people. The artificial leather is made up by using PU and PVC with different formulas and making them pass through the processes of foaming or film-covering treatment on the basis of textile fabric base or non-woven fabric base, and can be made up according to the requirements of different strength, colour, gloss and pattern, etc. and has the characteristics of extensive design and variety, good water-proofing property, neat edge and width, high utilization rate and low cost.
The leather surface treating agent is a technological method different from a surface layer applied to the surface of a leather material, and the surface layer is treated not only to endow the leather with beautiful appearance, but also to meet various functional requirements of products, so that the physical properties of the leather are improved, such as water resistance, softness, air permeability and the like. However, the performance of the existing leather surface treating agent cannot meet the use requirement, and the following defects still exist: the durability is not good, the abrasion of the coating is easy to cause, and the use and the appearance of the leather are influenced. Therefore, it is necessary to provide a leather surface treatment agent which has a long-lasting property, a good anti-oil property and an improved adhesive force, and a preparation method thereof.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a PU and PVC treating agent which can effectively remove oil stains on the surfaces of PU and PVC, can strongly permeate the PU and PVC surface layers and improve the adhesive force.
The invention also aims to provide a preparation method of the PU and PVC treating agent.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a PU and PVC treating agent, which comprises the following components in parts by mass: 10-20 parts of tetrahydrofuran, 25-35 parts of cyclohexanone, 35-50 parts of butanone, 5-10 parts of dimethyl carbonate, 7334.5-5.5 parts of TPU German BASF, and 0.5-1 part of HDI tripolymer.
Due to the use of dimethyl carbonate, the PU and PVC treating agent prepared by the invention is more environment-friendly and has better permeability; the use of TPU German BASF 733 can enhance the yellowing resistance of the product, and the heat resistance and hydrolysis resistance are better; the addition of HDI tripolymer is more helpful to keep the stability of the adhesion of the product and enhance the adhesion of leather.
Further, the feed additive comprises the following components in parts by mass: 12-18 parts of tetrahydrofuran, 28-33 parts of cyclohexanone, 36-46 parts of butanone, 7-9 parts of dimethyl carbonate, 7334.8-5.3 parts of TPU German BASF, and 0.65-0.9 part of HDI tripolymer.
Further, the feed additive comprises the following components in parts by mass: 15 parts of tetrahydrofuran, 30 parts of cyclohexanone, 40 parts of butanone, 8 parts of dimethyl carbonate, 7335.0 parts of TPU German BASF, and 0.8 part of HDI trimer.
Further, the preparation method comprises the following steps:
after the cyclohexanone, butanone, tetrahydrofuran, dimethyl carbonate and HDI tripolymer are put into the reactor in parts by mass, TPU German Pasteur 733 is put into the reactor while being dispersed, the rotation speed is 500-800 r/min, the mixture is stirred for 2-3 hours to be dissolved and dispersed evenly, and then the mixture is sieved by a 400-mesh sieve, discharged and packaged into a finished product.
Compared with the prior art, the invention has the following beneficial effects:
1. the PU and PVC treating agent has good treatment effect on leather, can effectively remove oil stains on the surfaces of PU and PVC, and can improve the grease resistance, the mould inhibition capacity, the hydrolysis resistance and the yellowing resistance of the PU and PVC treating agent.
2. The PU and PVC treating agent has strong universality, does not contain triphenyl treating agent, can strongly permeate PU and PVC surface layers, achieves the optimal bonding effect by treating substances such as grease, a stripping agent and the like on the PU and PVC surfaces, improves the bonding force, and can improve the durability of the bonding force.
3. The PU and PVC treating agent of the invention can also be suitable for the surface treatment of genuine leather, especially the surface treatment of oil skin, and has good treatment effect.
Detailed Description
A PU and PVC treating agent comprises the following components in parts by weight: 10-20 parts of tetrahydrofuran, 25-35 parts of cyclohexanone, 35-50 parts of butanone, 5-10 parts of dimethyl carbonate, 7334.5-5.5 parts of TPU German BASF, and 0.5-1 part of HDI tripolymer.
The HDI trimer was purchased from Tosoh HXR, Japan.
The preparation method of the PU and PVC treating agent comprises the following steps:
after the cyclohexanone, butanone, tetrahydrofuran, dimethyl carbonate and HDI tripolymer are put into the reactor in parts by mass, TPU German Pasteur 733 is put into the reactor while being dispersed, the rotation speed is 500-800 r/min, the mixture is stirred for 2-3 hours to be dissolved and dispersed evenly, and then the mixture is sieved by a 400-mesh sieve, discharged and packaged into a finished product.
Examples 1 to 5 and comparative examples 1 to 5
Examples 1 to 5 and comparative examples 1 to 5 were prepared in the following amounts of the components shown in Table 1.
TABLE 1 component ratios of examples 1-5 and comparative examples 1-5
Examples 1-3 were prepared as follows:
adding cyclohexanone, butanone, tetrahydrofuran, dimethyl carbonate and HDI trimer in parts by weight, dispersing while adding TPU German Basff 733 at the rotating speed of 600 revolutions per minute, stirring for 2 hours to dissolve and disperse uniformly, sieving with a 400-mesh sieve, discharging, and packaging to obtain the finished product.
Examples 4-5 were prepared as follows:
adding cyclohexanone, butanone, tetrahydrofuran, dimethyl carbonate and HDI trimer in parts by weight, dispersing, adding TPU German Basff 733 while stirring for 3 hours at the rotating speed of 600 revolutions per minute to dissolve and disperse uniformly, sieving with a 400-mesh sieve, discharging and packaging to obtain the finished product.
Comparative example 1 the preparation method was as follows:
after the cyclohexanone, butanone, tetrahydrofuran, xylene and HDI tripolymer are put into the reactor in parts by mass, the TPU German Pasteur 733 is put into the reactor while being dispersed, the rotating speed is 600 r/min, the mixture is stirred for 2 hours to be dissolved and dispersed evenly, and then the mixture is sieved by a 400-mesh sieve, discharged and packaged into a finished product.
Comparative example 2 the preparation method was as follows:
adding cyclohexanone, butanone, tetrahydrofuran, dimethyl carbonate and HDI tripolymer in parts by weight, dispersing while adding PU colloidal particles 540, stirring for 2 hours at the rotating speed of 600 revolutions per minute to enable the PU colloidal particles to be dissolved and dispersed uniformly, sieving with a 400-mesh sieve, discharging and packaging to obtain the finished product.
Comparative example 3 the preparation method was as follows:
dispersing cyclohexanone, butanone, tetrahydrofuran and dimethyl carbonate after being added according to the mass parts, adding TPU German BASF 733 while stirring for 2 hours to enable the cyclohexanone, the butanone, the tetrahydrofuran and the dimethyl carbonate to be dissolved and dispersed evenly, sieving with a 400-mesh sieve, discharging and packaging to obtain the finished product.
Comparative example 4 the preparation method was as follows:
dispersing cyclohexanone, butanone, tetrahydrofuran and xylene after being added according to the mass parts, adding PU colloidal particles 540 while stirring for 2 hours at the rotating speed of 600 revolutions per minute to enable the particles to be dissolved and dispersed evenly, sieving with a 400-mesh sieve, discharging and packaging to obtain the finished product.
Comparative example 5 the preparation method was as follows:
and (2) dispersing tetrahydrofuran, cyclohexanone, butanone and xylene in parts by weight, putting the PU colloidal particles 540 into the mixture while dispersing the mixture at the rotating speed of 700 revolutions per minute, stirring the mixture for 0.5 hour to enable the mixture to be dissolved and dispersed uniformly, then sieving the mixture with a 400-mesh sieve, discharging the mixture, and packaging the finished product.
Examples of Effect test
Using examples 1-5 and comparative examples 1-5, the same type and the same quality of leather were treated to obtain samples 1-5 and comparative samples 1-5, respectively, and the following properties were measured.
1. Grease resistance
The grease resistance of the resulting samples was rated on a scale of 1-5, and the results are shown in Table 2 below.
TABLE 2 grease resistance test results
As can be seen from the data in Table 2, the PU and PVC treating agents obtained in examples 1 to 5 can enhance the grease resistance of the obtained products by adding dimethyl carbonate and HDI trimer and using TPU German BASF 733, which is superior to the existing commercial products.
2. Inhibitory rate of mold
The results of the measurements on each sample and the comparative sample are shown in Table 3 below.
TABLE 3 mould inhibition test results
As can be seen from the data in Table 3, the PU and PVC treating agents obtained in examples 1-5 can improve the mold inhibition rate of the obtained products by adding dimethyl carbonate and HDI tripolymer and using TPU German BASF 733, and as can be seen from comparative examples 1-3 and examples 1-5, the addition of dimethyl carbonate, TPU German BASF 733 and HDI tripolymer has synergistic effect on the mold inhibition rate, and the obtained PU and PVC treating agent products have better performance than the existing commercial products.
3. Adhesive force
Adhesion tests were conducted to test the peel strength and the peel strength of the product obtained after the high temperature acceleration treatment, and the results are shown in table 4 below.
Table 4 adhesion test results
As can be seen from the data in Table 4, the PU and PVC treating agents obtained in examples 1 to 5 can improve the adhesive properties of the obtained products by adding dimethyl carbonate and HDI trimer and using TPU German BASF 733, and the adhesive properties can be stably maintained after the high-temperature acceleration treatment. As can be seen from comparative examples 1-3 and comparative examples 4-5, the addition of dimethyl carbonate, TPU German BASF 733 and HDI trimer respectively contributes to the bonding effect of the obtained product, and the three have synergistic effect on the improvement of the bonding performance, and the obtained PU and PVC treating agent product has better performance than the existing commercial products.
4. Resistance to hydrolysis
The samples were rated for wet abrasion resistance on a scale of 1 to 5, with the results shown in Table 5 below.
TABLE 5 leather Wet abrasion resistance test results
As can be seen from the data in Table 5, the PU and PVC treating agents obtained in examples 1 to 5 can improve the hydrolysis resistance of the obtained products by adding dimethyl carbonate and HDI trimer and using TPU German BASF 733, and the performance is superior to that of the existing commercial products.
5. Tear strength of leather
The results of the measurements on each sample and the comparative sample are shown in Table 6 below.
TABLE 6 leather tear Strength test results
As can be seen from the data in Table 6, the PU and PVC treating agents obtained in examples 1-5 can improve the leather tearing strength of the obtained products by adding dimethyl carbonate and HDI tripolymer and using TPU German BASF 733, and the performance is superior to that of the existing commercial products.
6. Yellowing resistance
According to the method A in the yellowing resistance test standard HG/T3689-2014, a light-colored or white product is easy to generate a yellowing phenomenon under the long-time irradiation of sunlight, a solar lamp and a heating temperature control device are used for simulating a natural environment, the power of a bulb is 300W, the change of the surface color of the sample is observed within 24h, the color change degree of the sample is determined, and therefore the yellowing resistance of the material under the radiation of the sunlight is judged.
According to a method B in a yellowing resistance test standard HG/T3689-2014, a light-colored or white product is easy to generate a yellowing phenomenon under long-time ultraviolet irradiation, a sample is irradiated by ultraviolet rays, the change of the surface color of the sample is observed within 4h by selecting an ultraviolet lamp tube with the power of 30W, and the discoloration degree of the sample is determined, so that the yellowing resistance of the material under the ultraviolet irradiation is judged.
The results are shown in Table 7 below.
TABLE 7 yellowing resistance test results
As can be seen from the data in Table 7, the PU and PVC treating agents obtained in examples 1 to 5 can improve the yellowing resistance of the obtained products by adding dimethyl carbonate and HDI trimer and using TPU German BASF 733, and the performance is superior to that of the existing commercial products.
The present invention is not limited to the above-described embodiments, and various changes and modifications of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (4)
1. A PU and PVC treating agent is characterized by comprising the following components in parts by mass: 10-20 parts of tetrahydrofuran, 25-35 parts of cyclohexanone, 35-50 parts of butanone, 5-10 parts of dimethyl carbonate, 7334.5-5.5 parts of TPU German BASF, and 0.5-1 part of HDI tripolymer.
2. The PU and PVC treating agent according to claim 1, comprising the following components in parts by mass: 12-18 parts of tetrahydrofuran, 28-33 parts of cyclohexanone, 36-46 parts of butanone, 7-9 parts of dimethyl carbonate, 7334.8-5.3 parts of TPU German BASF, and 0.65-0.9 part of HDI tripolymer.
3. The PU and PVC treating agent according to claim 1, comprising the following components in parts by mass: 15 parts of tetrahydrofuran, 30 parts of cyclohexanone, 40 parts of butanone, 8 parts of dimethyl carbonate, 7335.0 parts of TPU German BASF, and 0.8 part of HDI trimer.
4. A PU, PVC treating agent according to any of claims 1-3, characterized in that the preparation method comprises the following steps:
after the cyclohexanone, butanone, tetrahydrofuran, dimethyl carbonate and HDI tripolymer are put into the reactor in parts by mass, TPU German Pasteur 733 is put into the reactor while being dispersed, the rotation speed is 500-800 r/min, the mixture is stirred for 2-3 hours to be dissolved and dispersed evenly, and then the mixture is sieved by a 400-mesh sieve, discharged and packaged into a finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110615633.3A CN113462270A (en) | 2021-06-02 | 2021-06-02 | PU and PVC treating agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110615633.3A CN113462270A (en) | 2021-06-02 | 2021-06-02 | PU and PVC treating agent and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115162015A (en) * | 2022-07-26 | 2022-10-11 | 安踏（中国）有限公司 | Treating agent for nylon or Teflon vamp and processing method of vamp |
| CN115260888A (en) * | 2022-07-26 | 2022-11-01 | 安踏（中国）有限公司 | Treating agent for PU fabric vamp with pearlescent effect and processing method of vamp |
| CN115478438A (en) * | 2022-07-26 | 2022-12-16 | 安踏（中国）有限公司 | Treating agent for special gauze vamp and vamp processing method |
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|---|---|---|---|---|
| CN115162015A (en) * | 2022-07-26 | 2022-10-11 | 安踏（中国）有限公司 | Treating agent for nylon or Teflon vamp and processing method of vamp |
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Application publication date: 20211001 |