Flame-retardant antistatic reinforced nylon 6 composition and preparation

A technology of flame retardant and antistatic composition, which is applied in the field of flame retardant and antistatic enhanced nylon 6 composition and its preparation, can solve the problems of difficult processing, thermal decomposition, easy damage and falling off, etc., and achieve excellent durable antistatic, long-lasting Antistatic, solve the effect of single color

Inactive Publication Date: 2009-07-01
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, to solve the antistatic problem of plastic parts used in coal mines, an external method was generally adopted, that is, a layer of antistatic agent was coated on the surface of the part. the role of
This kind of antistatic agent has many disadvantages in the use process, such as the lack of permanent antistatic effect, thermal decomposition during processing, etc.; various hydrophilic polymers containing conductive units are added to the matrix resin to form alloys that can permanently maintain antistatic properties. Static effect, called polymer permanent antistatic agent
However, this type of antistatic and large amount of addition, high cost, poor heat resistance
It is reported that conductive carbon black is used as a non-ionic antistatic agent to add into the base material, but the color of carbon black limits the color of the product to black, and there are large amounts of addition, poor compatibility with resins, and high cost. Disadvantages of difficult processing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A flame-retardant antistatic reinforced nylon 6 composition, the composition comprises the following components and weight percent content:

[0029] Nylon 6 slice 48.5

[0030] Fiberglass 30

[0031] Polybrominated styrene 14

[0032] Antimony trioxide 4

[0033] DEHYDAT 80X 3

[0034] 168 / 1098(1:1) 0.4

[0035] Calcium stearate 0.1

[0036] The above-mentioned DEHYDAT 80X is the brand name of antistatic agent of Corning Company;

[0037] Weigh the raw materials according to the weight ratio, put the other raw materials except the glass fiber into the high mixer and mix for 3 minutes, then put them into the screw machine together with the glass fiber to extrude and granulate, the speed of the screw machine is 180-600 rpm , the temperature is 160-250°C.

Embodiment 2

[0039] A flame-retardant antistatic reinforced nylon 6 composition, the composition comprises the following components and weight percent content:

[0040] Nylon 6 slice 48.5

[0041] Fiberglass 30

[0042] Polybrominated styrene 14

[0043] Antimony trioxide 2

[0044] Zinc borate 2

[0045] DEHYDAT 80X 2

[0046] PELESTATT 6321 1

[0047] 168 / 1098(1:1) 0.4

[0048] Calcium stearate 0.1

[0049] The above-mentioned DEHYDAT 80X is the brand name of antistatic agent of Corning Company;

[0050] The aforementioned PELESTATT 6321 is an antistatic brand of Sanyo Chemical Industries.

[0051] Weigh the raw materials according to the weight ratio, put the other raw materials except the glass fiber into the high mixer and mix for 3 minutes, then put them into the screw machine together with the glass fiber to extrude and granulate, the speed of the screw machine is 180-600 rpm , the temperature is 160-250°C.

Embodiment 3

[0053] A flame-retardant antistatic reinforced nylon 6 composition, the composition comprises the following components and weight percent content:

[0054] Nylon 6 slice 58.5

[0055] Fiberglass 20

[0056] Polybrominated styrene 14

[0057] Antimony trioxide 2

[0058] Zinc borate 2

[0059] DEHYDAT 80X 2

[0060] PELESTATT 6321 1

[0061] 168 / 1098(1:1) 0.4

[0062] Calcium stearate 0.1

[0063] Weigh the raw materials according to the weight ratio, put the other raw materials except the glass fiber into the high mixer and mix for 3 minutes, then put them into the screw machine together with the glass fiber to extrude and granulate, the speed of the screw machine is 180-600 rpm , the temperature is 160-250°C.

[0064] The test results are listed in the table below:

[0065] Test items standard test unit Example 1 Example 2 Example 3 Tensile Strength ASTM D638 MPa 138 140 130 Charpy unnotched impact strength ASTM D 6110 kJ / m 2 7...

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PUM

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Abstract

The invention relates to a flame retardant antistatic reinforced nylon 6 composition and a method for preparing the same. 45 to 60 weight percent of nylon 6 slice, 10 to 40 percent of fiberglass, 15 to 18 percent of flame retardant, 2 to 4 percent of flame retardant boosting agent, 2 to 5 percent of anlistatig, 0.1 to 0.5 percent of antioxidant and 0.1 to 1 percent of lubricant by weight percentage are put in a high mixing machine, are mixed for 2 to 5 minutes and are discharged; the mixed raw materials and fiberglass are put to a screw extruder and is subjected to extrusion and pelletization; the rotational speed of the screw extruder is between 180 and 600 revolutions / minute; and the temperature is between 160 and 250 DEG C. Compared with the prior art, the flame retardant antistatic reinforced nylon 6 composition has the characteristics of high strength, excellent flame retardance, lasting antistatic property, easy processing and the like.

Description

technical field [0001] The invention relates to a flame-retardant and antistatic reinforced nylon 6 composition and a preparation method thereof. The composition is particularly suitable for underground coal mine fan blades, mining machinery, mine electrical equipment, etc., and belongs to the technical field of polyamide compositions. Background technique [0002] Nylon has excellent mechanical properties, wear resistance, oil resistance, solvent resistance, and self-lubricating properties. It is one of the engineering plastics with a wide range of uses. High-power plastic fans are the main ventilation and exhaust equipment in mines, and the fan blades are the main parts of the equipment. Since nylon is an excellent electrical insulating polymer material, its surface resistance is 10 14 ~10 16 Ω, the volume resistivity is 10 13 ~10 14 Ω, easy to generate static electricity, and itself has no flame retardancy, which limits the application of nylon in the coal industry. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08K9/06C09K3/16C09K21/14B29C47/38B29B9/12C08K7/14C08K3/22C08K5/524B29C48/395
CPCB29C47/0011B29C2947/92704B29C2947/9259B29C47/0004B29C48/04B29C48/022B29C2948/9259B29C2948/92704
Inventor 高茜孙利明
Owner HEFEI GENIUS NEW MATERIALS
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