阅读说明：本技术 一种耐油abs改性材料 (Oil-resistant ABS (acrylonitrile butadiene styrene) modified material ) 是由 李军 于 2020-07-03 设计创作，主要内容包括：本发明涉及高分子材料技术领域,尤其为一种耐油ABS改性材料,包括ABS基材、添加剂和耐油混合基材,所述ABS基材包括ABS再生料和PBT再生料,所述添加剂包括相容剂、增韧剂、油酯,所述耐油混合基材包括MBS树脂和纳米填料,其中各材料用量分别为,ABS再生料5～8重量份,PBT再生料1～4重量份,相容剂2～4重量份,增韧剂2～3重量份,MBS树脂1～2重量份,纳米填料1～2重量份,通过将PBT与ABS共混能改善ABS的耐油酯性能,同时选择中PBT更有利于ABS/PBT合金的制备,在ABS/PBT合金中添加相容剂,能有效地提高合金的各项性能,同时也具有优异的耐油酯性能,在ABS/PBT合金中添加增韧剂,能更有效地提高合金的低温冲击,添加MBS使合金缺口冲击强度均达到了最高。(The invention relates to the technical field of high polymer materials, in particular to an oil-resistant ABS modified material, which comprises an ABS base material, an additive and an oil-resistant mixed base material, wherein the ABS base material comprises an ABS reclaimed material and a PBT reclaimed material, the additive comprises a compatilizer, a flexibilizer and oil ester, the oil-resistant mixed base material comprises MBS resin and nano filler, the use amounts of the materials are respectively 5-8 parts by weight of the ABS reclaimed material, 1-4 parts by weight of the PBT reclaimed material, 2-4 parts by weight of the compatilizer, 2-3 parts by weight of the flexibilizer, 1-2 parts by weight of the MBS resin and 1-2 parts by weight of the nano filler, the oil-resistant property of ABS can be improved by blending the PBT and the ABS, meanwhile, the PBT is selected to be more beneficial to the preparation of the ABS/PBT alloy, the compatilizer is added into the ABS/PBT alloy, various properties of the alloy can be effectively improved, the oil-resistant property is also excellent, can effectively improve the low-temperature impact of the alloy, and the MBS is added to ensure that the notch impact strength of the alloy reaches the highest.)

1. The oil-resistant ABS modified material is characterized by comprising an ABS base material, an additive and an oil-resistant mixed base material, wherein the ABS base material comprises an ABS reclaimed material and a PBT reclaimed material, the additive comprises a compatilizer, a toughening agent and oil ester, the oil-resistant mixed base material comprises MBS resin and a nano filler, and the use amounts of the ABS reclaimed material, the PBT reclaimed material, the compatilizer, the toughening agent and the MBS resin are respectively 5-8 parts by weight, 1-4 parts by weight, 2-3 parts by weight, 1-2 parts by weight and 1-2 parts by weight of the nano filler.

2. The oil-resistant ABS modified material as claimed in claim 1, wherein the ABS recycled material is ABS-PA-757 type, the PBT recycled material is one of PBT-1100-211M type or PBT-1200-211M type, the compatibilizer is SAG-002 type, the toughening agent is one or more of PTW, EM500 and S-2001 type, and the nano filler is one of nano talc powder, nano titanium dioxide and nano zinc oxide.

3. A production process of an oil-resistant ABS modified material is characterized by comprising the following steps: the oil-resistant ABS modified material adopts the following production process:

s1, 5-8 parts by weight of ABS reclaimed materials, 1-4 parts by weight of PBT reclaimed materials, 2-4 parts by weight of compatilizers, 2-3 parts by weight of flexibilizers, 1-2 parts by weight of MBS resin and 1-2 parts by weight of nano fillers are fully and uniformly mixed according to a certain proportion, and then the mixture is extruded and granulated by a double-screw extruder;

s2, drying the material particles in a blast oven;

and S3, performing injection molding on the dried pellets by using an injection molding machine to obtain the product.

4. The production process of the oil-resistant ABS modified material as claimed in claim 3, wherein the SHJ-35 series co-rotating twin-screw extruder is adopted as the twin-screw extruder in S1, and the temperature of each heating section of the twin-screw extruder is set as follows: 220-245 ℃, the rotating speed of a main machine is 400r/min, and the feeding speed is 80 kg/h.

5. The production process of the oil-resistant ABS modified material as claimed in claim 3, wherein the S2 pellets are dried in a 95 ℃ air blast oven for 2 h.

6. The production process of the oil-resistant ABS modified material as claimed in claim 3, wherein the injection molding machine adopts BT80-560T specification model, and the temperature of each heating section of the injection molding machine is as follows: 200 to 240 ℃.

7. The process for producing the oil-resistant ABS modified material as claimed in claim 3, wherein the product obtained in S3 is prepared into a standard sample, and the performance test of the standard sample comprises: fixing a tensile sample strip obtained by injection molding of an ABS/PBT composite material on an arc-shaped mold with the stress radian of 76 degrees by using a rotary screw, uniformly coating brake fluid DOT3, DOT4 and DOT5 on the surface of the tensile sample strip, placing the tensile sample strip in an oven at 60 ℃, and monitoring the fracture condition of the tensile sample strip in a stress bending state; the performance test of the standard sample also comprises a bending performance test, a cantilever beam notch impact strength test and an oil-resistant ester performance test; the performance test of the standard sample adopts an HIT5.5P pendulum impact tester to carry out the performance test.

Technical Field

The invention relates to the technical field of high polymer materials, in particular to an oil-resistant ABS modified material.

Background

The high performance ABS resin is developing towards the high performance, however, to achieve the high performance, it is hard to achieve the performance of ABS itself, and only by the alloying of ABS resin, such as developing ABS/PVC, ABS/PC, ABS/PA (nylon), ABS/TPU (thermoplastic polyurethane), ABS/PET (polybutylene terephthalate), ABS/PSU, ABS/PSF (polysulfone), ABS/PMMA, ABS/PTFE, ABS/SMA (styrene-maleic anhydride copolymer), etc., the product grade and competitiveness can be improved, thus widening the product application field.

With the increasingly obvious exhaustion of energy sources and environmental pollution, the research and development of energy-saving and emission-reducing electric automobiles become hot spots. The design of the electric automobile needs higher electric storage capacity, so the volume of the storage battery is correspondingly increased, and the increase of the demand of the special material for the oil-resistant battery case for the automobile and the increase of the daily are promoted. The material special for the battery case has good oil resistance, prevents the corrosion of automobile engine oil, brake oil, lubricating oil and the like to the surface of the battery case, and has excellent impact performance to prevent secondary accidents such as fire disasters and the like caused by crushing in the collision process. Therefore, the material special for the battery case needs to have good oil resistance, weather resistance and processing performance at the same time, ABS has the characteristics of good mechanical property, impact resistance, good electrical property, easy forming and the like, and becomes a resin with large yield, wide application, multiple varieties and the like, the defects of the resin are that the weather resistance is poor, the thermal deformation temperature is low, especially the organic solvent resistance is poor, PBT has excellent properties of higher strength, chemical corrosion resistance, non-conductivity and the like, and has wide application in the aspect of engineering plastics, especially in the aspects of automobiles, buildings, structural materials and the like, the mechanical property of PBT is very sensitive to gaps, the impact strength of the gaps is low, and certain limitation is placed on the application field of the PBT, so the scheme provides an oil-resistant ABS modified material to improve the problems.

Disclosure of Invention

The invention aims to provide an oil-resistant ABS modified material to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an oil-resistant ABS modified material comprises an ABS base material, an additive and an oil-resistant mixed base material, wherein the ABS base material comprises an ABS reclaimed material and a PBT reclaimed material, the additive comprises a compatilizer, a toughening agent and oil ester, the oil-resistant mixed base material comprises MBS resin and a nano filler, and the dosage of each material is respectively 5-8 parts by weight of the ABS reclaimed material, 1-4 parts by weight of the PBT reclaimed material, 2-4 parts by weight of the compatilizer, 2-3 parts by weight of the toughening agent, 1-2 parts by weight of the MBS resin and 1-2 parts by weight of the nano filler.

Preferably, the ABS recycled material is ABS-PA-757 type, the PBT recycled material is one of PBT-1100-211M or PBT-1200-211M type, the compatilizer is SAG-002 type, the toughener is one or more of PTW, EM500 and S-2001 type, and the nano filler is one of nano talcum powder, nano titanium dioxide and nano zinc oxide.

Preferably, the oil-resistant ABS modified material adopts the following production process:

s1, 5-8 parts by weight of ABS reclaimed materials, 1-4 parts by weight of PBT reclaimed materials, 2-4 parts by weight of compatilizers, 2-3 parts by weight of flexibilizers, 1-2 parts by weight of MBS resin and 1-2 parts by weight of nano fillers are fully and uniformly mixed according to a certain proportion, and then the mixture is extruded and granulated by a double-screw extruder;

s2, drying the material particles in a blast oven;

and S3, performing injection molding on the dried pellets by using an injection molding machine to obtain the product.

Preferably, the twin-screw extruder in S1 adopts a SHJ-35 series co-rotating twin-screw extruder, and the temperature of each heating section of the twin-screw extruder is set as follows: 220-245 ℃, the rotating speed of a main machine is 400r/min, and the feeding speed is 80 kg/h.

Preferably, the pellets of S2 were dried in a 95 ℃ forced air oven for 2 h.

Preferably, the injection molding machine adopts a BT80-560T specification model, and the temperature of each heating section of the injection molding machine is as follows: 200 to 240 ℃.

Preferably, the product obtained in S3 is prepared into a standard sample, and the performance test of the standard sample comprises: fixing a tensile sample strip obtained by injection molding of an ABS/PBT composite material on an arc-shaped mold with the stress radian of 76 degrees by using a rotary screw, uniformly coating brake fluid DOT3, DOT4 and DOT5 on the surface of the tensile sample strip, placing the tensile sample strip in an oven at 60 ℃, and monitoring the fracture condition of the tensile sample strip in a stress bending state; the performance test of the standard sample also comprises a bending performance test, a cantilever beam notch impact strength test and an oil-resistant ester performance test; the performance test of the standard sample adopts an HIT5.5P pendulum impact tester to carry out the performance test.

In the invention, ABS adopts ABS PA-757, which is a fancy and practical; PBT adopts l 1002 lI M, PBT2 #: PBT 1200-21 lM, chemical company, catharanthus roseus; SAG.002 is adopted as the compatilizer, and Jiangsu Limited company is a good easy compatilizer; the toughening agent adopts PTW, Korea Jinhu petrochemical, or adopts EM500, LG chemical, or adopts S2001, Mitsubishi Yangyang company; the brake fluid adopts DOT3, DOT4, D0T5 and Exxon Mobil.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the oil-resistant ester performance of ABS can be improved by blending PBT and ABS, and meanwhile, the selected PBT is more beneficial to the preparation of ABS/PBT alloy, a compatilizer is added into the ABS/PBT alloy, so that various performances of the alloy can be effectively improved, and meanwhile, the excellent oil-resistant ester performance is also provided, a toughening agent is added into the ABS/PBT alloy, so that the low-temperature impact of the alloy can be more effectively improved, MBS is added so that the notch impact strength of the alloy reaches the highest, brake oil brake fluid is coated on a tensile sample strip bent at a certain angle, and the tensile sample strip is placed in a 60 ℃ oven for 48 hours without cracking, and the brake oil brake fluid is placed in an ultraviolet aging oven for 48 hours without color change or cracking, has good oil resistance, weather resistance and processability, and can be applied to more.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with 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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

The invention provides a technical scheme that:

an oil-resistant ABS modified material comprises an ABS base material, an additive and an oil-resistant mixed base material, wherein the ABS base material comprises an ABS reclaimed material and a PBT reclaimed material, the additive comprises a compatilizer, a flexibilizer and oil ester, the oil-resistant mixed base material comprises MBS resin and a nano filler, and the dosage of each material is respectively 5-8 parts by weight of the ABS reclaimed material, 1-4 parts by weight of the PBT reclaimed material, 2-4 parts by weight of the compatilizer, 2-3 parts by weight of the flexibilizer, 1-2 parts by weight of the MBS resin and 1-2 parts by weight of the nano filler;

the ABS regenerated material adopts an ABS-PA-757 model, the PBT regenerated material adopts one of a PBT-1100-211M model or a PBT-1200-211M model, the compatilizer adopts an SAG-002 model, the toughener PTW, EM500 or S-2001 model or a plurality of the tougheners, and the nano filler adopts one of nano talcum powder, nano titanium dioxide and nano zinc oxide;

the oil-resistant ABS modified material adopts the following production process:

s1, 5-8 parts by weight of ABS reclaimed materials, 1-4 parts by weight of PBT reclaimed materials, 2-4 parts by weight of compatilizers, 2-3 parts by weight of flexibilizers, 1-2 parts by weight of MBS resin and 1-2 parts by weight of nano fillers are fully and uniformly mixed according to a certain proportion, and then the mixture is extruded and granulated by a double-screw extruder;

s2, drying the material particles in a blast oven;

s3, performing injection molding on the dried material particles through an injection molding machine to obtain a product;

the twin-screw extruder in the S1 adopts an SHJ-35 series co-rotating twin-screw extruder, and the temperature of each heating section of the twin-screw extruder is set as follows: 220-245 ℃, the rotating speed of a main machine is 400r/min, and the feeding speed is 80 kg/h;

the S2 pellets were dried in a 95 ℃ forced air oven for 2 h;

the injection molding machine adopts BT80-560T specification model, and the temperature of each heating section of the injection molding machine is as follows: 200-240 ℃;

the product obtained in S3 was prepared as a standard sample, and the performance test of the standard sample included: fixing a tensile sample strip obtained by injection molding of an ABS/PBT composite material on an arc-shaped mold with the stress radian of 76 degrees by using a rotary screw, uniformly coating brake fluid DOT3, DOT4 and DOT5 on the surface of the tensile sample strip, placing the tensile sample strip in an oven at 60 ℃, and monitoring the fracture condition of the tensile sample strip in a stress bending state; the performance test of the standard sample also comprises a bending performance test, a cantilever beam notch impact strength and an oil-resistant ester performance test, and the performance test of the standard sample adopts an HIT5.5P pendulum impact tester to carry out the performance test.