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Platable MPI (polyimide film with maleimide side groups) modified engineering plastic alloy and preparation method thereof

An engineering plastic alloy and modification technology, which is applied in the field of engineering plastic alloy, can solve the problems of not being able to meet the production and processing of fenders, cannot be electroplated, and the size is unstable, and achieve excellent electrical and mechanical properties, convenient operation and low cost. low effect

Inactive Publication Date: 2015-12-16
DONGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, general alloy engineering plastics such as PC / ABS, PC / PBT, PA / ABS, PA66 / PPO alloy, etc. cannot meet the production and processing of fenders. The main disadvantages are: insufficient rigidity and toughness, cannot be electroplated, low heat resistance, dimensionally unstable

Method used

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  • Platable MPI (polyimide film with maleimide side groups) modified engineering plastic alloy and preparation method thereof
  • Platable MPI (polyimide film with maleimide side groups) modified engineering plastic alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Add 44.0 grams (0.1 moles) of 2,2-bis[4-(2,4-diaminophenoxy)phenyl]propane and 1645 grams of N-methyl-2-pyrrolidone into the reaction kettle, stir and dissolve at room temperature Afterwards, cool in an ice-water bath to below 5°C, add 19.6 grams (0.2 moles) of maleic anhydride, 193.3 grams (0.6 moles) of 3,3',4,4'-tetracarboxybenzophenone dianhydride and 31.0 grams (0.1 mol) 3,3',4,4'-tetracarboxydiphenyl ether dianhydride, after stirring for 1 hour, add 259.2 grams (0.5 mol) of 2,2-bis[4-(4-aminophenoxy)benzene Base] hexafluoropropane, continue to stir and react for 4 hours, then add 183.6 grams (1.8 moles) of acetic anhydride and 0.65 grams (0.007 moles) of picoline, remove the ice-water bath, heat up to 100 ° C, stir and react for 4 hours, add 3000 grams of ethanol and 290 grams of methanol were stirred rapidly for 1 hour, filtered, washed 2-3 times with 830 grams of acetone, and vacuum-dried at 90° C. for 3 hours to obtain 518.8 grams of MPI resin (theoretical yiel...

Embodiment 2

[0045]Add 44.0 grams (0.1 moles) of 2,2-bis[4-(2,4-diaminophenoxy)phenyl]propane and 4480 grams of N,N-dimethylformamide into the reaction kettle and stir at room temperature After dissolving, cool in an ice-water bath to below 5°C, add 19.6 grams (0.2 moles) of maleic anhydride, 624.0 grams (1.2 moles) of 2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl] Propane dianhydride, after stirring and reacting for 2 hours, add 180.0 grams (0.9 moles) of 3,4'-diaminodiphenyl ether and 29.2 grams (0.1 moles) of 1,3-bis(4-aminophenoxy)benzene, continue Stir the reaction for 2.5 hours, then add 428.4 grams (4.2 moles) of acetic anhydride and 9.48 grams (0.12 moles) of pyridine, remove the ice-water bath, heat up to 90 ° C, stir and react for 8 hours, add 22400 grams of ethanol, and stir rapidly for 1 hour. Filter, wash 2-3 times with 4480 g of acetone, and dry in vacuum at 90° C. for 5 hours to obtain 851.0 g of MPI resin (theoretical yield is 853.6 g), denoted as MPI-2, with a yield of 99.7%.

Embodiment 3

[0047] Put 400 grams of 1% 3-aminopropyltriethoxysilane aqueous solution, 70.0 grams of copper powder and 30.0 grams of silver powder into the reaction kettle, stir at 60°C for 1 hour, cool to room temperature, and filter , dried at 100° C. for 1 hour to obtain 100.0 g of coupling agent-treated conductive filler, which is designated as ECF-1.

[0048] Put 400 grams of 3-aminopropyltriethoxysilane aqueous solution, 50.0 grams of silver-plated copper powder and 50.0 grams of aluminum powder into the reaction kettle with a concentration of 3% by mass, and stir at 80°C for 2 hours, then cool to Filter at room temperature and dry at 100° C. for 2 hours to obtain 100.0 g of coupling agent-treated conductive filler, which is designated as ECF-2.

[0049] Put 800 grams of 5% glycidoxypropyltriethoxysilane aqueous solution, 20.0 grams of graphene powder and 80.0 grams of silver-plated copper powder into the reactor, and stir at 70 ° C for 2 hours , cooled to room temperature, filtered...

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Abstract

The invention relates to a platable MPI (polyimide film with maleimide side groups) modified engineering plastic alloy and a preparation method thereof. The engineering plastic alloy comprises PA (polyamide) 66 resin, PPO (polyphenylene oxide) resin, MPI resin, conductive filler, a compatilizer and an assistant. The preparation method comprises steps as follows: (1), preparing the MPI resin; (2), treating the conductive filler with a coupling agent aqueous solution; (3), mixing the PA66 resin, the PPO resin, the MPI resin, the conductive filler, the compatilizer and the assistant, and performing high-temperature melt mixing and granulation to obtain the engineering plastic alloy. According to the platable MPI modified engineering plastic alloy and the preparation method thereof, the operation process is simple, the production cost is low, a product has good electrical properties, mechanical properties, high-temperature resistance and the like as well as excellent comprehensive performance, can be applied to parts such as wheel fenders, door handles, bumper bars and the like of a new energy automobile, and has broad application prospects.

Description

technical field [0001] The invention belongs to the field of engineering plastic alloys, in particular to an electroplatable MPI modified engineering plastic alloy and a preparation method thereof. Background technique [0002] The development of engineering plastics is bound to be closely related to various high and new technologies, and it is also an important symbol and material basis of the national technology and industrial level. The amount of automotive engineering plastics is one of the indicators to measure the technical level of a country's automobile production. Over the past 30 years, the amount of automotive plastics in the world has been increasing. [0003] At present, the development of new energy vehicles is mainly aimed at saving energy and reducing consumption, so it is necessary to require lightweight vehicles. The main producer of PA66 / PPO alloy materials worldwide is Sabic Company, whose brand name is Noryl*GTX series, which is an alloy material of po...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L71/12C08L51/08C08L79/08C08L51/00C08K13/06C08K9/06C08K3/08C08K7/20C08K3/04C08K5/526C08K5/3475C08G73/12
CPCC08G73/121C08G73/127C08K2201/001C08K2201/014C08L71/12C08L77/06C08L2205/025C08L2205/035C08L51/08C08L79/085C08K13/06C08K9/06C08K2003/085C08K2003/0806C08K5/1345C08K5/3475C08K2003/0812C08K7/20C08K3/04C08K5/526
Inventor 虞鑫海周志伟
Owner DONGHUA UNIV
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