CN115948043A - High-toughness high-elasticity waterproof polyurethane film and preparation method thereof - Google Patents
High-toughness high-elasticity waterproof polyurethane film and preparation method thereof Download PDFInfo
- Publication number
- CN115948043A CN115948043A CN202111175813.0A CN202111175813A CN115948043A CN 115948043 A CN115948043 A CN 115948043A CN 202111175813 A CN202111175813 A CN 202111175813A CN 115948043 A CN115948043 A CN 115948043A
- Authority
- CN
- China
- Prior art keywords
- parts
- polyurethane film
- agent
- toughness
- elasticity waterproof
- 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.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of polyurethane films, and discloses a high-toughness high-elasticity waterproof polyurethane film which comprises the following raw materials in parts by weight: 80-120 parts of polyurethane, 1-3 parts of a toughening agent, 8-12 parts of a cross-linking agent, 5-7 parts of an initiator, 4-6 parts of a flame retardant, 2-5 parts of benzyl silicone oil, 6-10 parts of a plasticizer, 7-9 parts of a weather-resistant agent, 50-60 parts of PVC resin and 60-80 parts of deionized water. According to the high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof, the flame retardant is added, the polyurethane film produced by the method can obtain a better flame retardant grade, the thermal deformation temperature is higher, the ultraviolet rays can not deform after being irradiated for a long time by adding the weather resisting agent, the high-toughness high-elasticity waterproof polyurethane film is suitable for being used outdoors and in high-temperature climate, the application range of the product is enlarged, the service life of the product is prolonged, the economic value of the product is improved, the tensile strength and the exercise examination rate of the product can be greatly improved by adding the toughening agent, and the product has the characteristics of high toughness and high elasticity.
Description
Technical Field
The invention relates to the technical field of polyurethane films, in particular to a high-toughness high-elasticity waterproof polyurethane film and a preparation method thereof.
Background
Thermoplastic Polyurethane (TPU) has not only the rubber characteristics of crosslinked polyurethane, such as high strength and high wear resistance, but also the thermoplastic properties of linear polymer materials. Thermoplastic Polyurethane (TPU) has the characteristics of high strength, wear resistance, good elasticity, weather resistance and the like, and has wide application prospects in the fields of automobile technology, shoe materials, clothing attachment, ready-made clothes, chemical industry, electronics, medical treatment and the like.
Through retrieval, chinese patent CN 108192301A proposes a low-temperature-resistant high-toughness polyester film, which is characterized in that the composition and the content (weight percentage) are as follows: 67-75% of polyethylene terephthalate, 3-5% of glass fiber, 2-4% of antioxidant, 1-3% of toughening agent and 16-25% of water-soluble acrylate-styrene-acrylic acid copolymer; the water-soluble acrylate-styrene-acrylic acid copolymer is formed by polymerizing methyl acrylate, acrylic acid-2-ethylhexyl ester, n-butyl acrylate, styrene and acrylic acid. The invention adds the water-based acrylate-styrene-acrylic acid copolymer with good ductility and toughness, the glass transition temperature of which is between 44 ℃ below zero and 23 ℃ below zero, improves the toughness of the polyester film, particularly the mechanical property at low temperature, and expands the application range of the polyester film. Meanwhile, the water-based acrylate-styrene-acrylic acid copolymer has the advantages of low price, simple adding process, no toxicity and environmental protection, and is beneficial to saving cost and resources.
However, the film produced by the technical scheme has irrational toughness and extremely poor weather resistance, is not suitable for external or high-temperature use, and causes small use range, short service life and easy breakage of the product, thereby reducing the economic value of the product.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-toughness high-elasticity waterproof polyurethane film and a preparation method thereof, and solves the problems.
(II) technical scheme
The invention provides the following technical scheme: a high-toughness high-elasticity waterproof polyurethane film comprises the following raw materials in parts by weight: 80-120 parts of polyurethane, 1-3 parts of a toughening agent, 8-12 parts of a cross-linking agent, 5-7 parts of an initiator, 4-6 parts of a flame retardant, 2-5 parts of benzyl silicone oil, 6-10 parts of a plasticizer, 7-9 parts of a weather-resistant agent, 50-60 parts of PVC resin and 60-80 parts of deionized water.
Preferably, the flame retardant is one or a mixture of more than two of tetrafluoro butyl sulfonate, organic hypophosphite, inorganic hypophosphite, organic phosphate and organic silicon.
The flame retardant can improve the flame retardancy of the polyurethane film to achieve the flame retardant effect,
preferably, the weather resisting agent is a mixture of a light stabilizer and an antioxidant, and the ratio is 5.
The light stabilizer is generally selected from salicylates, and the antioxidant is phenols and phosphites, and the phenols and the phosphites are matched with each other for use, so that the ultraviolet absorption capability of the weather resisting agent can be improved, a large amount of ultraviolet rays can be intercepted during UV illumination, and the UV illumination effect is improved.
Preferably, the toughening agent is selected from any one of chlorinated polyethylene, acrylic resin, methacrylic acid-butadiene-styrene copolymer, ethylene-vinyl acetate copolymer, nitrile rubber or styrene-butadiene-styrene block copolymer.
The toughening agent contains active groups, can react with resin, is not completely compatible after curing, and sometimes needs phase separation, so that a more ideal toughening effect can be obtained, the thermal deformation temperature is not changed or slightly reduced, and the impact resistance is obviously improved.
Preferably, the feed comprises the following raw materials in parts by weight: 80 parts of polyurethane film, 1 part of toughening agent, 8 parts of cross-linking agent, 5 parts of initiator, 4 parts of flame retardant, 2 parts of benzyl silicone oil, 6 parts of plasticizer, 7 parts of weather-resistant agent, 50 parts of PVC resin and 60 parts of deionized water.
Preferably, the feed comprises the following raw materials in parts by weight: 100 parts of polyurethane, 2 parts of a toughening agent, 10 parts of a cross-linking agent, 6 parts of an initiator, 5 parts of a flame retardant, 3 parts of benzyl silicone oil, 8 parts of a plasticizer, 8 parts of a weather-resistant agent, 55 parts of PVC resin and 70 parts of deionized water.
Preferably, the feed comprises the following raw materials in parts by weight: 120 parts of polyurethane, 3 parts of a toughening agent, 12 parts of a cross-linking agent, 7 parts of an initiator, 6 parts of a flame retardant, 5 parts of benzyl silicone oil, 10 parts of a plasticizer, 9 parts of a weather-resistant agent, 60 parts of PVC resin and 80 parts of deionized water.
The invention aims to solve another technical problem of providing a high-toughness high-elasticity waterproof polyurethane film and a preparation method thereof, wherein the preparation method comprises the following steps:
s1, weighing the mass according to the formula in the embodiment for later use;
s2, mixing the benzyl silicone oil, the plasticizer, the weather resistant agent and the PVC resin, stirring at the rotating speed of 500-600r/min, and reacting at the temperature of 80-100 ℃ for 1-3h; then heating to 120-140 ℃, pressurizing to 0.8-2.0MPa, and reacting for 60-90min to obtain a PVC resin mixture;
s3, mixing polyurethane, a toughening agent and a crosslinking agent, stirring at the rotating speed of 700-800r/min, and reacting at 110-130 ℃ for 1-3h to obtain a polyurethane mixture;
and S4, adding the polyurethane mixture, the initiator, the PVC resin mixture and deionized water into a reaction kettle, stirring, and mixing at 90-110 ℃, wherein the stirring speed is 1600-1800r/min, and the stirring time is 10-20 min, so as to obtain the master batch.
S5, drying and filtering the master batch obtained in the step S4;
s6, placing the dried master batch into a UV illumination box for illumination, wherein the illumination time is 15-20 seconds;
s7, putting the mixture into a parallel double-screw granulator, extruding, granulating and drying to obtain slices;
and S8, melting and extruding the slices, cooling, and then longitudinally stretching, transversely stretching and shaping to obtain the polyurethane film.
Preferably, the cooling speed after extrusion in the step S8 is controlled to be 50-60 ℃/min, and the stretching temperature is controlled to be 80-100 ℃.
Preferably, the film thickness of the polyurethane film is controlled to be 80-100 μm.
5)
(III) advantageous effects
Compared with the prior art, the invention provides the high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof, and the high-toughness high-elasticity waterproof polyurethane film has the following beneficial effects:
1. according to the high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof, the weather-resistant agent is a mixture of the light stabilizer and the antioxidant, the light stabilizer is generally selected from salicylic acid esters, the antioxidant is phenols and phosphites, and the phenols and the phosphites are matched with each other for use, so that the ultraviolet absorption capacity of the weather-resistant agent can be improved, a large amount of ultraviolet rays can be intercepted during UV illumination, the UV illumination effect is improved, and the resin mixture has excellent weather resistance.
2. When the high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof are used, the toughening agent contains active groups, can perform chemical reaction with resin, is not completely compatible after curing, sometimes needs phase splitting, can obtain a more ideal toughening effect, enables the thermal deformation temperature to be unchanged or slightly reduced, and obviously improves the impact resistance, so that a polyurethane mixture has better toughness and elasticity.
3. When the high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof are used, the resin mixture, the polyurethane mixture and the initiator are mixed together, so that the curing reaction rate and the reaction degree can be improved when the film is irradiated by UV light, and the toughness and the elasticity of the film are further improved.
4. According to the high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof, the flame retardant is added, the polyurethane film produced by the method can obtain a better flame retardant grade, the thermal deformation temperature is higher, the ultraviolet rays can not deform after being irradiated for a long time by adding the weather resisting agent, the high-toughness high-elasticity waterproof polyurethane film is suitable for being used outdoors and in high-temperature climate, the application range of the product is enlarged, the service life of the product is prolonged, the economic value of the product is improved, the tensile strength and the exercise examination rate of the product can be greatly improved by adding the toughening agent, and the product has the characteristics of high toughness and high elasticity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a high-toughness high-elasticity waterproof polyurethane film comprises the following raw materials in parts by weight: 80 parts of polyurethane film, 1 part of toughening agent, 8 parts of cross-linking agent, 5 parts of initiator, 4 parts of flame retardant, 2 parts of benzyl silicone oil, 6 parts of plasticizer, 7 parts of weather-resistant agent, 50 parts of PVC resin and 60 parts of deionized water.
Preferably, the flame retardant is one or a mixture of more than two of tetrafluoro butyl sulfonate, organic hypophosphite, inorganic hypophosphite, organic phosphate and organic silicon.
Preferably, the weather resisting agent is a mixture of a light stabilizer and an antioxidant, and the ratio is 5.
Preferably, the toughening agent is selected from any one of chlorinated polyethylene, acrylic resin, methacrylic acid-butadiene-styrene copolymer, ethylene-vinyl acetate copolymer, nitrile rubber or styrene-butadiene-styrene block copolymer.
A high-toughness high-elasticity waterproof polyurethane film and a preparation method thereof comprise the following steps:
s1, weighing the mass according to the formula in the embodiment for later use;
s2, mixing the benzyl silicone oil, the plasticizer, the weather resistant agent and the PVC resin, stirring at the rotating speed of 500r/min, and reacting for 1h at the temperature of 80-100 ℃; then heating to 120 ℃, pressurizing to 0.8-MPa, and reacting for 60min to obtain a PVC resin mixture;
s3, mixing polyurethane, a toughening agent and a crosslinking agent, stirring at the rotating speed of 700r/min, and reacting at 110 ℃ for 1h to obtain a polyurethane mixture;
and S4, adding the polyurethane mixture, the initiator, the PVC resin mixture and deionized water into a reaction kettle, stirring, and mixing at 90 ℃, wherein the stirring speed is 1600r/min, and the stirring time is 10min, so as to obtain the master batch.
S5, drying and filtering the master batch obtained in the step S4;
s6, placing the dried master batch into a UV illumination box for illumination, wherein the illumination time is 15 seconds;
s7, putting the mixture into a parallel double-screw granulator, extruding, granulating and drying to obtain slices;
and S8, melting and extruding the slices, cooling, and performing longitudinal stretching, transverse stretching and sizing after cooling to obtain the polyurethane film.
Preferably, the cooling rate after extrusion in the step S8 is controlled at 50 ℃/min, and the stretching temperature is controlled at 80 ℃.
Preferably, the film thickness of the polyurethane film is controlled to 80 μm.
Example two:
a high-toughness high-elasticity waterproof polyurethane film comprises the following raw materials in parts by weight: 100 parts of polyurethane, 2 parts of a toughening agent, 10 parts of a cross-linking agent, 6 parts of an initiator, 5 parts of a flame retardant, 3 parts of benzyl silicone oil, 8 parts of a plasticizer, 8 parts of a weather-resistant agent, 55 parts of PVC resin and 70 parts of deionized water.
Preferably, the flame retardant is one or a mixture of more than two of tetrafluoro butyl sulfonate, organic hypophosphite, inorganic hypophosphite, organic phosphate and organic silicon.
Preferably, the weather resisting agent is a mixture of a light stabilizer and an antioxidant, and the ratio is 5.
Preferably, the toughening agent is selected from any one of chlorinated polyethylene, acrylic resin, methacrylic acid-butadiene-styrene copolymer, ethylene-vinyl acetate copolymer, nitrile rubber or styrene-butadiene-styrene block copolymer.
A high-toughness high-elasticity waterproof polyurethane film and a preparation method thereof comprise the following steps:
s1, weighing the mass according to the formula of the embodiment for later use;
s2, mixing the benzyl silicone oil, the plasticizer, the weather-resistant agent and the PVC resin, stirring at the rotation speed of 550r/min, and reacting at 90 ℃ for 2 hours; then heating to 130 ℃, pressurizing to 1.4MPa, and reacting for 75min to obtain a PVC resin mixture;
s3, mixing polyurethane, a toughening agent and a crosslinking agent, stirring at the rotating speed of 750r/min, and reacting at 120 ℃ for 2h to obtain a polyurethane mixture;
and S4, adding the polyurethane mixture, the initiator, the PVC resin mixture and deionized water into a reaction kettle, stirring, and mixing at 100 ℃, wherein the stirring speed is 1700r/min, and the stirring time is 15min to obtain the master batch.
S5, drying and filtering the master batch obtained in the step S4;
s6, placing the dried master batch into a UV illumination box for illumination, wherein the illumination time is 17.5 seconds;
s7, putting the mixture into a parallel double-screw granulator, extruding, granulating and drying to obtain slices;
and S8, melting and extruding the slices, cooling, and then longitudinally stretching, transversely stretching and shaping to obtain the polyurethane film.
Preferably, the cooling rate after extrusion in step S8 is controlled at 55 ℃/min, and the stretching temperature is controlled at 90 ℃.
Preferably, the film thickness of the polyurethane film is controlled to be 90 μm.
Example three:
a high-toughness high-elasticity waterproof polyurethane film comprises the following raw materials in parts by weight: 120 parts of polyurethane, 3 parts of a toughening agent, 12 parts of a cross-linking agent, 7 parts of an initiator, 6 parts of a flame retardant, 5 parts of benzyl silicone oil, 10 parts of a plasticizer, 9 parts of a weather-resistant agent, 60 parts of PVC resin and 80 parts of deionized water.
Preferably, the flame retardant is one or a mixture of more than two of tetrafluoro butyl sulfonate, organic hypophosphite, inorganic hypophosphite, organic phosphate and organic silicon.
Preferably, the weather resisting agent is a mixture of a light stabilizer and an antioxidant, and the ratio is 5.
Preferably, the toughening agent is selected from any one of chlorinated polyethylene, acrylic resin, methacrylic acid-butadiene-styrene copolymer, ethylene-vinyl acetate copolymer, nitrile rubber or styrene-butadiene-styrene block copolymer.
A high-toughness high-elasticity waterproof polyurethane film and a preparation method thereof comprise the following steps:
s1, weighing the mass according to the formula in the embodiment for later use;
s2, mixing the benzyl silicone oil, the plasticizer, the weather resistant agent and the PVC resin, stirring at the rotating speed of 600r/min, and reacting for 3 hours at the temperature of 100 ℃; then heating to 140 ℃, pressurizing to 2.0MPa, and reacting for 90min to obtain a PVC resin mixture;
s3, mixing polyurethane, a toughening agent and a crosslinking agent, stirring at the rotating speed of 800r/min, and reacting at 130 ℃ for 3h to obtain a polyurethane mixture;
and S4, adding the polyurethane mixture, the initiator, the PVC resin mixture and deionized water into a reaction kettle, stirring, and mixing at 110 ℃ at a stirring speed of 1800r/min for 20min to obtain the master batch.
S5, drying and filtering the master batch obtained in the step S4;
s6, placing the dried master batch into a UV illumination box for illumination, wherein the illumination time is 20 seconds;
s7, putting the mixture into a parallel double-screw granulator, extruding, granulating and drying to obtain slices;
and S8, melting and extruding the slices, cooling, and then longitudinally stretching, transversely stretching and shaping to obtain the polyurethane film.
Preferably, the cooling rate after extrusion in the step S8 is controlled at 60 ℃/min, and the stretching temperature is controlled at 100 ℃.
Preferably, the film thickness of the polyurethane film is controlled to be 100 μm.
Experimental example: the high-toughness high-elasticity waterproof polyurethane film prepared in the example 1-3 and the common polyurethane film are selected for detection
And (4) judging the standard: the mechanical properties of the obtained material were tested according to GB standard, and the flame retardant properties were tested according to UL-94 standard, the test results are shown in the following table
As can be seen from the table above, through adding the fire retardant, can make the polyurethane film of this application production obtain the flame retardant grade of preferred, and heat distortion temperature is higher, can make the ultraviolet ray shine for a long time through adding weather resistant agent and also can not take place deformation, be fit for the use of outdoor and high temperature weather, the application range of product has been enlarged, the life of product has been prolonged, the economic value of product has been improved, through the toughener that adds, the tensile strength and the exercise examination rate of product that can be very big improvement, make the product have high tenacity and high elastic characteristics.
Typical cases are as follows:
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The high-toughness high-elasticity waterproof polyurethane film is characterized by comprising the following raw materials in parts by weight: 80-120 parts of polyurethane, 1-3 parts of a toughening agent, 8-12 parts of a cross-linking agent, 5-7 parts of an initiator, 4-6 parts of a flame retardant, 2-5 parts of benzyl silicone oil, 6-10 parts of a plasticizer, 7-9 parts of a weather-resistant agent, 50-60 parts of PVC resin and 60-80 parts of deionized water.
2. The high-toughness high-elasticity waterproof polyurethane film according to claim 1, wherein the flame retardant is one or a mixture of two or more of tetrafluorobutylsulfonate, organic hypophosphite, inorganic hypophosphite and organic phosphate, and organosilicon.
3. The high-toughness high-elasticity waterproof polyurethane film according to claim 1, wherein the weather-resistant agent is a mixture of a light stabilizer and an antioxidant in a ratio of 5.
4. The high-toughness high-elasticity waterproof polyurethane film according to claim 1, wherein the toughening agent is selected from any one of chlorinated polyethylene, acrylic resin, methacrylic acid-butadiene-styrene copolymer, ethylene-vinyl acetate copolymer, nitrile rubber or styrene-butadiene-styrene block copolymer.
5. The high-toughness high-elasticity waterproof polyurethane film according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 80 parts of polyurethane film, 1 part of toughening agent, 8 parts of cross-linking agent, 5 parts of initiator, 4 parts of flame retardant, 2 parts of benzyl silicone oil, 6 parts of plasticizer, 7 parts of weather-resistant agent, 50 parts of PVC resin and 60 parts of deionized water.
6. The high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof according to claim 1 are characterized by comprising the following raw materials in parts by weight: 100 parts of polyurethane, 2 parts of a toughening agent, 10 parts of a cross-linking agent, 6 parts of an initiator, 5 parts of a flame retardant, 3 parts of benzyl silicone oil, 8 parts of a plasticizer, 8 parts of a weather-resistant agent, 55 parts of PVC resin and 70 parts of deionized water.
7. The high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof according to claim 1, wherein the high-toughness high-elasticity waterproof polyurethane film comprises the following raw materials in parts by weight: 120 parts of polyurethane, 3 parts of a toughening agent, 12 parts of a cross-linking agent, 7 parts of an initiator, 6 parts of a flame retardant, 5 parts of benzyl silicone oil, 10 parts of a plasticizer, 9 parts of a weather-resistant agent, 60 parts of PVC resin and 80 parts of deionized water.
8. The high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof as claimed in claims 1 to 7, wherein the method comprises the following steps:
s1, weighing the mass according to the formula in the embodiment for later use;
s2, mixing the benzyl silicone oil, the plasticizer, the weather resistant agent and the PVC resin, stirring at the rotating speed of 500-600r/min, and reacting at the temperature of 80-100 ℃ for 1-3h; then heating to 120-140 ℃, pressurizing to 0.8-2.0MPa, and reacting for 60-90min to obtain a PVC resin mixture;
s3, mixing polyurethane, a toughening agent and a crosslinking agent, stirring at the rotating speed of 700-800r/min, and reacting at 110-130 ℃ for 1-3h to obtain a polyurethane mixture;
and S4, adding the polyurethane mixture, the initiator, the PVC resin mixture and deionized water into a reaction kettle, stirring, and mixing at 90-110 ℃, wherein the stirring speed is 1600-1800r/min, and the stirring time is 10-20 min, so as to obtain the master batch.
S5, drying and filtering the master batch obtained in the step S4;
s6, placing the dried master batch into a UV illumination box for illumination, wherein the illumination time is 15-20 seconds;
s7, putting the mixture into a parallel double-screw granulator, extruding, granulating and drying to obtain slices;
and S8, melting and extruding the slices, cooling, and then longitudinally stretching, transversely stretching and shaping to obtain the polyurethane film.
9. The high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof according to claim 8, wherein the cooling speed after extrusion in step S8 is controlled to be 50-60 ℃/min, and the stretching temperature is controlled to be 80-100 ℃.
10. The high-toughness high-elasticity waterproof polyurethane film and the preparation method thereof as claimed in claim 8, wherein the film thickness of the polyurethane film is controlled to be 80-100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111175813.0A CN115948043A (en) | 2021-10-09 | 2021-10-09 | High-toughness high-elasticity waterproof polyurethane film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111175813.0A CN115948043A (en) | 2021-10-09 | 2021-10-09 | High-toughness high-elasticity waterproof polyurethane film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115948043A true CN115948043A (en) | 2023-04-11 |
Family
ID=87297215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111175813.0A Pending CN115948043A (en) | 2021-10-09 | 2021-10-09 | High-toughness high-elasticity waterproof polyurethane film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115948043A (en) |
-
2021
- 2021-10-09 CN CN202111175813.0A patent/CN115948043A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106810809B (en) | Ultralow gloss, super low-temperature resistant ASA resin composition and preparation method thereof | |
| CN105062041A (en) | High-transparency high-heat-stability TPU (thermoplastic polyurethane) film and preparation method thereof | |
| CN104844971B (en) | Preparation methods of anti-aging wood-plastic composite and light stabilizer | |
| CN105860316A (en) | ASA resin composition with improved low temperature impact toughness and preparation method thereof | |
| CN106336640A (en) | PC-PBT alloy modified material and preparation method thereof | |
| CN108948686B (en) | Glass fiber reinforced ASA/PBT alloy automobile lamp base material and preparation method thereof | |
| CN112812482A (en) | Anti-aging plastic material and preparation method thereof | |
| CN101875768A (en) | Antiaging glass fiber-reinforced polycarbonate composition and preparation method thereof | |
| CN112795115A (en) | PVC profiled bar and preparation method thereof | |
| CN112266589B (en) | Creep-resistant PBAT material and preparation method and application thereof | |
| CN110922730A (en) | Modified polylactic acid and preparation method thereof | |
| CN115948043A (en) | High-toughness high-elasticity waterproof polyurethane film and preparation method thereof | |
| CN109593275A (en) | A kind of light diffusion polypropylene material and preparation method thereof for LED lamp cover | |
| CN109880206B (en) | Polyethylene plasticizer | |
| CN114716813B (en) | Deformation memory recovery composite material and preparation method thereof | |
| CN115284703B (en) | Wide low-temperature impact-resistant bending-resistant PVC (polyvinyl chloride) foaming co-extrusion plate and preparation method thereof | |
| CN111019309A (en) | Modified polylactic acid foaming material based on supercritical carbon dioxide and preparation method thereof | |
| CN109337326A (en) | A kind of microporous foam glass fiber reinforced PC-PETG alloy material and preparation method thereof | |
| CN116063841A (en) | Water-based microporous polyurethane film and preparation method thereof | |
| CN109796560B (en) | Lampshade material of energy-saving LED lamp and preparation method thereof | |
| KR100508906B1 (en) | Processing aids composition of thermoplastic resin and method for preparing thereof | |
| CN104513442A (en) | Formula of PVC electrical conduit capable of ceramization and method for preparing PVC electrical conduit | |
| CN108727917A (en) | A kind of Sun-proof Powder Paint for Automobile and preparation method thereof | |
| CN114456563B (en) | PLA-based heat shrinkable film and preparation method thereof | |
| CN115725144B (en) | Deformation-resistant polyvinyl chloride film material for household swimming pool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |