Ultrathin high-temperature-resistant polyvinyl chloride material as well as preparation method and application thereof

Abstract

The invention discloses an ultrathin high-temperature-resistant polyvinyl chloride material as well as a preparation method and application thereof, and the ultrathin high-temperature-resistant polyvinyl chloride material comprises the following raw materials in parts by mass: 100 parts of polyvinyl chloride resin, 1-10 parts of a stabilizer, 0-3 parts of a plasticizer, 1-5 parts of a processing aid, 5-10 parts of a high-molecular high-temperature-resistant modifier and 0.2-3 parts of a lubricant, the preparation method of the ultrathin high-temperature-resistant polyvinyl chloride material comprises the following steps: mixing the polyvinyl chloride resin, the stabilizer, the plasticizer, the processing aid, the high-molecular high-temperature-resistant modifier and the lubricant, extruding, plasticizing, and calendaring. The ultrathin high-temperature-resistant polyvinyl chloride material disclosed by the invention is subjected to plasticizing and calendaring molding under a certain temperature condition, the mechanical property can be optimized, the operation is simple, and industrial application is convenient.

Description

Technical Field

[0001] The invention relates to an ultra-thin high-temperature resistant polyvinyl chloride material and a preparation method and application thereof, belonging to the technical field of new materials. Background Art

[0002] PVC material is a widely used synthetic material, which is produced and used worldwide at a growth rate of 4% per year. Soft PVC has also become an important raw material in the decoration field due to its advantages such as easy molding and processing, easy coloring, low cost, and strong plasticity. In the decoration field, PVC material has become an important part of the furniture system. In the actual application process, PVC material is required to have properties such as high temperature resistance and scratch resistance. The existing PVC material cannot meet the relevant requirements. Summary of the invention

[0003] In view of the problems existing in the above-mentioned prior art, the present invention provides an ultra-thin high-temperature resistant polyvinyl chloride material and a preparation method and application thereof.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts an ultra-thin high temperature resistant polyvinyl chloride material, which includes the following raw materials, by mass: 100 parts of polyvinyl chloride resin, 1 to 10 parts of stabilizer, 0 to 3 parts of plasticizer, 1 to 5 parts of processing aid, 5 to 10 parts of polymer high temperature resistant modifier, and 0.2 to 3 parts of lubricant.

[0005] As an improvement, the polyvinyl chloride resin is at least one of SG-7, SG-5, and TL-1000.

[0006] As an improvement, the stabilizer is at least one of an organic tin stabilizer and a calcium-zinc composite stabilizer.

[0007] As an improvement, the plasticizer is epoxidized soybean oil.

[0008] As an improvement, the processing aid is at least one of acrylic resin and methacrylic acid processing aid.

[0009] As an improvement, the polymer high temperature resistant modifier is at least one of MBS, ACR and ABS.

[0010] As an improvement, the lubricant is at least one of calcium stearate, zinc stearate, stearic acid, butyl stearate, and polyol composite acid ester.

[0011] The second aspect of the present invention also provides a method for preparing the ultra-thin high temperature resistant polyvinyl chloride material, comprising the following steps: mixing polyvinyl chloride resin, stabilizer, plasticizer, processing aid, polymer high temperature resistant modifier, and lubricant, extruding, plasticizing, and calendering.

[0012] As an improvement, the following steps are specifically included:

[0013] (1) Weigh the raw materials in the formula;

[0014] (2) Add polyvinyl chloride resin, stabilizer, plasticizer, processing aid, polymer high temperature resistant modifier, and lubricant into a hot mixer in sequence and mix thoroughly for 6 to 15 minutes;

[0015] (3) The uniformly mixed material is extruded through a planetary screw extruder at a temperature of 110-185° C., sheared and pre-plasticized, and then further plasticized through a twin-roll mill at a temperature of 140-170° C., and calendered and formed through a five-roll calender at a temperature of 190-220° C., drawn out through a stretching machine, cooled and shaped, and wound up.

[0016] The third aspect of the present invention also provides an application of the ultra-thin high temperature resistant polyvinyl chloride material or the ultra-thin high temperature resistant polyvinyl chloride material obtained by the preparation method in decorative materials.

[0017] The polyvinyl chloride material in the prior art cannot reach a thickness of less than 0.05 mm and pass through a drying oven at 120°C without deformation. The ultra-thin high-temperature resistant polyvinyl chloride material of the present invention can reach a thickness of less than 0.05 mm and pass through a drying oven at 120°C without deformation, and is convenient for printing and skin application, simple to operate, and convenient for industrial application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figures are thermal deformation diagrams of the polyvinyl chloride materials of the embodiments of the present invention and the comparative examples in a test machine oven at 120°C for 10 minutes; Figure (a) is the polyvinyl chloride material of embodiment 1, which has no deformation; Figure (b) is the polyvinyl chloride material of embodiment 2, which has no deformation; Figure (c) is the commercially available polyvinyl chloride material of the comparative example, which has deformation. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1

[0021] A method for preparing an ultra-thin high temperature resistant polyvinyl chloride material comprises the following steps:

[0022] (1) Weigh the raw materials in Table 1 below;

[0023] Table 1 Raw materials of Example 1

[0024] raw material Mass Polyvinyl chloride resin 100 Methyltin mercaptan stabilizer 1.5 Processing Aids 1 High temperature resistant polymer modifier 5 Lubricants 0.2

[0025] The polyvinyl chloride resin is a mixture of SG-7 and SG-5 in a mass ratio of 1:1; the processing aid is acrylic resin; the polymer high temperature resistant modifier is MBS; the lubricant is calcium stearate;

[0026] (2) Add polyvinyl chloride resin, stabilizer, processing aid, polymer high temperature resistant modifier and lubricant into a hot mixer in sequence and mix thoroughly for 10 minutes;

[0027] (3) The uniformly mixed material is extruded through a planetary screw extruder at a temperature of 150° C., sheared and pre-plasticized, and then further plasticized on a two-roll mill at a temperature of 160° C., and calendered on a five-roll calender at a temperature of 200° C., drawn out from a stretching machine, cooled and shaped, and rolled.

[0028] Example 2

[0029] A method for preparing an ultra-thin high temperature resistant polyvinyl chloride material comprises the following steps:

[0030] (1) Weigh the raw materials in Table 2 below;

[0031] Table 2 Raw materials of Example 2

[0032] raw material Mass Polyvinyl chloride resin 100 Methyltin mercaptan stabilizer 1 Epoxidized soybean oil 2 Processing Aids 2 High temperature resistant polymer modifier 6 Lubricants 1

[0033] The polyvinyl chloride resin is a mixture of SG-7 and SG-5 in a mass ratio of 3:2; the processing aid is acrylic resin; the polymer high temperature resistant modifier is ACR; the lubricant is stearic acid;

[0034] (2) Add polyvinyl chloride resin, stabilizer, plasticizer, processing aid, polymer high temperature resistant modifier, and lubricant into a hot mixer in sequence and mix thoroughly for 12 minutes;

[0035] (3) The uniformly mixed material is extruded through a planetary screw extruder at a temperature of 125° C., sheared and pre-plasticized, and then further plasticized through a twin-roll mill at a temperature of 140° C., and calendered and formed through a five-roll calender at a temperature of 190° C., drawn out through a stretching machine, cooled and shaped, and wound up.

[0036] Example 3

[0037] A method for preparing an ultra-thin high temperature resistant polyvinyl chloride material comprises the following steps:

[0038] (1) Weigh the raw materials in Table 3 below;

[0039] Table 3 Raw materials of Example 3

[0040] raw material Mass Polyvinyl chloride resin 100 Methyltin mercaptan stabilizer 2.5 Epoxidized soybean oil 2 Processing Aids 3 High temperature resistant polymer modifier 8 Lubricants 1.5

[0041] The polyvinyl chloride resin is a mixture of SG-7 and SG-5 in a mass ratio of 2:3; the processing aid is a methacrylic acid processing aid; the polymer high temperature resistant modifier is ABS; the lubricant is zinc stearate;

[0042] (2) Add polyvinyl chloride resin, stabilizer, plasticizer, processing aid, polymer high temperature resistant modifier, and lubricant into a hot mixer in sequence and mix thoroughly for 15 minutes;

[0043] (3) The uniformly mixed material is extruded through a planetary screw extruder at a temperature of 150° C., sheared and pre-plasticized, and then further plasticized on a two-roll mill at a temperature of 160° C., and calendered on a five-roll calender at a temperature of 200° C., drawn out from a stretching machine, cooled and shaped, and rolled.

[0044] Example 4

[0045] A method for preparing an ultra-thin high temperature resistant polyvinyl chloride material comprises the following steps:

[0046] (1) Weigh the raw materials in Table 4 below;

[0047] Table 4 Raw materials of Example 4

[0048] raw material Mass Polyvinyl chloride resin 100 Methyltin mercaptan stabilizer 3 Epoxidized soybean oil 3 Processing Aids 5 High temperature resistant polymer modifier 10 Lubricants 3

[0049] The polyvinyl chloride resin is a mixture of SG-7 and SG-5 in a mass ratio of 1:1; the processing aid is acrylic resin; the polymer high temperature resistant modifier is a mixture of MBS and ABS in a mass ratio of 1:1; the lubricant is calcium stearate;

[0050] (2) Add polyvinyl chloride resin, stabilizer, plasticizer, processing aid, polymer high temperature resistant modifier, and lubricant into a hot mixer in sequence and mix thoroughly for 15 minutes;

[0051] (3) The uniformly mixed material is extruded through a planetary screw extruder at a temperature of 185°C, sheared and pre-plasticized, and further plasticized on a two-roll mill at a temperature of 170°C, and calendered on a five-roll calender at a temperature of 200°C, drawn out from a stretcher, cooled and shaped, and rolled.

[0052] The properties of the ultra-thin high temperature resistant polyvinyl chloride materials obtained in the above embodiments were tested. The test results are shown in Tables 5 and Figure 1 As shown;

[0053] Table 5 Performance of ultra-thin high temperature resistant polyvinyl chloride materials obtained in various embodiments

[0054]

[0055] Combined with Table 5, Figure 1It can be seen that the polyvinyl chloride material of the present invention can be used for indoor and outdoor decoration in the decoration industry. After being used by customers for skin coating, printing and other treatments, it has uniform color, is stain-resistant, scratch-resistant, has good flatness and is easy to process, and has good economic benefits.

[0056] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

Claims

1. An ultra-thin high temperature resistant polyvinyl chloride material, characterized in that: Calculated by mass, the raw materials include: 100 parts of polyvinyl chloride resin, 1-10 parts of stabilizer, 0-3 parts of plasticizer, 1-5 parts of processing aid, 5-10 parts of high molecular high temperature resistant modifier, and 0.2-3 parts of lubricant.

2. The ultra-thin high temperature resistant polyvinyl chloride material according to claim 1, characterized in that: The polyvinyl chloride resin is at least one of SG-7, SG-5 and TL-1000.

3. The ultra-thin high temperature resistant polyvinyl chloride material according to claim 1, characterized in that: The stabilizer is at least one of an organic tin stabilizer and a calcium-zinc composite stabilizer.

4. The ultra-thin high temperature resistant polyvinyl chloride material according to claim 1, characterized in that: The plasticizer is epoxidized soybean oil.

5. The ultra-thin high temperature resistant polyvinyl chloride material according to claim 1, characterized in that: The processing aid is at least one of acrylic resin and methacrylic acid processing aid.

6. The ultra-thin high temperature resistant polyvinyl chloride material according to claim 1, characterized in that: The polymer high temperature resistant modifier is at least one of MBS, ACR and ABS.

7. The ultra-thin high temperature resistant polyvinyl chloride material according to claim 1, characterized in that: The lubricant is at least one of calcium stearate, zinc stearate, stearic acid, butyl stearate, and polyol composite acid ester.

8. A method for preparing the ultra-thin high temperature resistant polyvinyl chloride material according to any one of claims 1 to 7, characterized in that: The method comprises the following steps: mixing polyvinyl chloride resin, stabilizer, plasticizer, processing aid, high molecular high temperature resistant modifier and lubricant, extruding, plasticizing and calendering.

9. The method for preparing an ultra-thin high temperature resistant polyvinyl chloride material according to claim 8, characterized in that: The specific steps include: (1) Weigh the raw materials in the formula; (2) Add polyvinyl chloride resin, stabilizer, plasticizer, processing aid, polymer high temperature resistant modifier, and lubricant into a hot mixer in sequence and mix thoroughly for 6 to 15 minutes; (3) The uniformly mixed material is extruded through a planetary screw extruder at a temperature of 110-185° C., sheared and pre-plasticized, and then further plasticized through a twin-roll mill at a temperature of 140-170° C., and calendered and formed through a five-roll calender at a temperature of 190-220° C., drawn out through a stretching machine, cooled and shaped, and wound up.

10. Use of the ultra-thin high temperature resistant polyvinyl chloride material according to any one of claims 1 to 7 or the ultra-thin high temperature resistant polyvinyl chloride material prepared by the preparation method according to any one of claims 8 to 9 in decorative materials.

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