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Polyurethane material for preparation of scratch-proof spectacle frame and preparation method of polyurethane material

A technology of polyurethane materials and spectacle frames, which is applied in the field of polymers, can solve the problems of passengers' secondary injuries, scratches on the face, and piercing the eyes, etc., and achieve the effects of reducing labor costs, avoiding scratches, and simple preparation methods

Inactive Publication Date: 2015-03-11
ZIBO ZHENGDA ENERGY SAVING NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In general accidents, the probability of a passenger's face directly colliding with an airbag is 99%. For a passenger wearing glasses, when the face collides with an airbag, the general plastic or metal spectacle frame is very easy to be squeezed by a huge external force. Fracture, the resulting section will scratch the face or even pierce the eyeball in an instant, causing very serious secondary injuries to passengers wearing glasses

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The polyurethane material for making anti-scratch spectacle frames is made of the following raw materials in parts by weight:

[0024] Polyether polyol: 80 parts, T-9: 0.5 parts, T-80: 9.4 parts, MOCA: 4.6 parts, white paste 2 parts.

[0025] The polyether polyol mentioned above adopts the polyether polyol with a functionality of 1.5 and a molecular weight of 1500 and the polyether polyol with a functionality of 3 and a molecular weight of 4500; the ratio of the two is 1:1.

[0026] The preparation method of the polyurethane material for making the anti-scratch spectacle frame is:

[0027] Heat the mixed polyether polyol to 108°C, vacuum dehydrate for 2.5 hours, cool down to 40°C, add T-80, heat up to 85°C, react for 3 hours to obtain a prepolymer, cool down to 35°C for defoaming; defoaming After completion, heat the prepolymer to 95°C, add T-9, MOCA and color paste, and stir evenly to obtain polyurethane for anti-scratch spectacle frames.

[0028] In the synthesized ...

Embodiment 2

[0034] The polyurethane material for making anti-scratch spectacle frames is made of the following raw materials in parts by weight:

[0035] Prepare 70 parts of polyether polyol DDL-2000D and DEP-330N at a ratio of 3:2, T-9: 0.8 parts, T-80: 11 parts, MOCA: 8 parts, and black paste 3 parts.

[0036] The preparation method of the polyurethane material for making the anti-scratch spectacle frame is:

[0037] Heat the mixture of polyether polyol DDL-2000D and DEP-330N to 109°C, vacuum dehydrate for 2 hours, cool down to 35°C, add T-80, heat up to 83°C, react for 2 hours to obtain a prepolymer, cool down to 25°C After the defoaming is completed, heat the prepolymer to 90°C, add T-9, MOCA and color paste, and stir evenly to produce polyurethane for anti-scratch spectacle frames.

[0038] In the synthesized prepolymer, the mass content of -NCO is 4%.

[0039] When making anti-scratch spectacle frames, pour the polyurethane material prepared in the above-mentioned manufacturing me...

Embodiment 3

[0044] The polyurethane material for making anti-scratch spectacle frames is made of the following raw materials in parts by weight:

[0045] Polyether polyols DDL-2000D and DEP-330N were prepared at a ratio of 2:1 to 60 parts, T-9: 0.4 parts, T-80: 12 parts, MOCA: 8.6 parts.

[0046] The preparation method of the polyurethane material for making the anti-scratch spectacle frame is:

[0047] Raise the temperature of the mixture of polyether polyol DDL-2000D and DEP-330N to 110.0°C, vacuum dehydrate for 1.5 hours, cool down to 30°C, add T-80, heat up to 80°C, react for 2.5 hours to obtain a prepolymer, and cool down to 50°C ℃ for defoaming; after defoaming is completed, heat the prepolymer to 100°C, add T-9 and MOCA, and stir evenly to obtain the polyurethane for anti-scratch spectacle frames.

[0048] In the synthesized prepolymer, the mass content of -NCO is 5%.

[0049] When making anti-scratch spectacle frames, pour the polyurethane material prepared in the above-mentione...

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PUM

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Abstract

The invention relates to a polyurethane material for preparation of a scratch-proof spectacle frame. The polyurethane material is prepared from the following raw materials in parts by weight: 25-80 parts of polyether glycol, 0.4-1 part of a catalyst, 5-20 parts of polyisocyanate, 3-10 parts of a vulcanizing agent. The invention further provides the preparation method of the polyurethane material for preparation of the scratch-proof spectacle frame. According to the invention, the scratch-proof spectacle frame prepared from the polyurethane material has the advantages that the frame is primarily shaped, free of corner angles, deformation resistant, does not produce a fracture surface during collisions, so that a scratch on the face and eyeballs of a passenger can be avoided. The preparation method provided by the invention is simple and easy to implement.

Description

technical field [0001] The invention relates to a polyurethane material, in particular to a polyurethane material for making anti-scratch spectacle frames, and belongs to the field of polymers. Background technique [0002] The function of the airbag is to reduce the degree of injury of the occupant when the vehicle collides, and prevent the occupant from being thrown out of the seat in dangerous situations such as a secondary collision or a vehicle rollover. In the event of a collision, the inflation system can quickly inflate in less than one tenth of a second. If the car is traveling at a speed of 60km per hour, the sudden impact will stop the vehicle within 0.2 seconds, and the airbag will travel at a speed of about 300km. It pops up at a speed of / h, and the resulting impact force is about 180 kilograms, which is difficult for the fragile parts of the human body such as the head and neck. In general accidents, the probability of a passenger's face directly colliding wi...

Claims

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Application Information

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IPC IPC(8): C08G18/66C08G18/48C08G18/32C08G18/24C08G18/10
CPCC08G18/10C08G18/244C08G18/3814C08G18/4804C08G18/6685
Inventor 耿佃勇马炎董伟
Owner ZIBO ZHENGDA ENERGY SAVING NEW MATERIAL
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