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Straw 3D printing consumable and preparation method thereof

A 3D printing and straw technology, applied in the field of straw 3D printing consumables and their preparation, can solve the problems of reducing the price of printing consumables and the difficulty of straw recycling, and achieve the effects of reducing material costs, broad market prospects and stable performance.

Inactive Publication Date: 2015-01-28
芜湖瀚博电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above technical problems, the present invention provides a formula of straw 3D printing consumables and its preparation method, which uses straw materials as the main component to produce 3D printing consumables, which reduces the price of printing consumables and makes full use of the difficulties in straw recycling.

Method used

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  • Straw 3D printing consumable and preparation method thereof
  • Straw 3D printing consumable and preparation method thereof
  • Straw 3D printing consumable and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A straw 3D printing consumable, the formula is by weight, and the contents of each component are:

[0027] Polylactic acid 55%, rice straw powder 41.4%, silane coupling agent (KH550) 2%, ethylene bis stearic acid amide 1%, dioctadecyl alcohol pentaerythritol diphosphite 0.5%, oxidized polyethylene wax 0.1 %.

[0028] A method for preparing straw 3D printing consumables, comprising the following steps:

[0029] 1) After sieving the selected rice straw powder through an 80-mesh sieve, dry it at 85°C for 2.5 hours, and control the moisture content below 0.02%;

[0030] 2) Pour the dried straw powder into a high-speed mixer, set the high-speed mixer to 60°C, add a silane coupling agent for high-speed mixing, and mix at a low speed of 730RPM for 10 minutes to improve the dispersion ability of the surface modifier;

[0031] 3), then add polylactic acid and mix at low speed for 10 minutes, then add other additives and continue mixing for 10 minutes;

[0032] 4) Putting the ...

Embodiment 2

[0035] A straw 3D printing consumable, the formula is by weight, and the contents of each component are:

[0036] Polylactic acid 58%, rice straw powder 38.4%, aluminate / titanate composite coupling agent 2%, ethylene distearic acid amide 1%, dioctadecyl alcohol pentaerythritol diphosphite 0.5%, hard Fatty acid 0.1%.

[0037] A method for preparing straw 3D printing consumables, comprising the following steps:

[0038] 1) After sieving the selected rice straw powder through an 80-mesh sieve, dry it at 80°C for 3 hours, and control the moisture content below 0.02%;

[0039] 2) Pour the dried straw powder into a high-speed mixer, set the high-speed mixer to 57°C, add aluminate / titanate composite coupling agent according to the formula and mix at high speed, and mix at low speed for 10 minutes to improve surface modification. Dispersion ability of active agent;

[0040] 3), then add polylactic acid and mix at low speed for 10 minutes, then add other additives and continue mixin...

Embodiment 3

[0044] A straw 3D printing consumable, the formula is by weight, and the contents of each component are:

[0045] Polylactic acid 60%, wheat straw powder 36.4%, aluminate / titanate composite coupling agent 2%, ethylene distearic acid amide 1%, dioctadecyl alcohol pentaerythritol diphosphite 0.5%, hard Fatty acid 0.1%.

[0046] A method for preparing straw 3D printing consumables, comprising the following steps:

[0047] 1) After sieving the selected rice straw powder through an 80-mesh sieve, dry it at 90°C for 2 hours, and control the moisture content below 0.02%;

[0048] 2) Pour the dried straw powder into a high-speed mixer, set the high-speed mixer to 58°C, add aluminate / titanate composite coupling agent according to the formula and mix at high speed, and mix at low speed for 15 minutes to improve surface modification. Dispersion ability of active agent;

[0049] 3), then add polylactic acid and mix at low speed for 10 minutes, then add other additives and continue mixi...

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Abstract

The invention provides a straw 3D printing consumable and a preparation method thereof. The formula includes the following raw materials in mass percentage: 40 to 69 percent of polylactic acid, 30 to 59 percent of straw powder, 0 to 5 percent of a compatilizer, and 0.2 to 3 percent of other additives. Straws, a crop byproduct, are fully utilized by the straw 3D printing consumable for surface modification, and the degradable material polylactic acid is added for melt blending. Compared with the prior art, the 3D printing material provided by the invention has stable performances, can replace common 3D plastic consumables in 3D printing, is non-toxic, low-carbon and environment-friendly, and has superior comprehensive performances, thereby achieving considerable economic value and broad market prospects.

Description

technical field [0001] The invention belongs to the production field of plastic particles, and in particular relates to a straw 3D printing consumable and a preparation method thereof. Background technique [0002] Most of the existing 3D printing consumables are based on high molecular polymers extracted from petroleum, for example: ABS, PP, PE, nylon, HIPS, PC are non-degradable materials, and waste 3D printing materials or products will cause huge damage to the ecological environment. The burden of developing a degradable 3D printing material that can make full use of abandoned crops can not only make full use of the by-product straw of crops, but also be used as a degradable material, so that the printed material will not cause white pollution to the ecological environment due to discarding . [0003] Patent CN102153801 A discloses a straw plastic and its production method. Publication date: August 17, 2011. It discloses the copolymerization of straw materials with poly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L97/02B29B9/06
Inventor 王杰群焦阳
Owner 芜湖瀚博电子科技有限公司
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