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Biodegradable melt-blown non-woven fabric sliced sheet and preparation method thereof

A melt-blown non-woven fabric, biodegradable technology, applied in the field of non-woven fabric manufacturing

Active Publication Date: 2013-05-01
XINLONG HLDG GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention melts and blends polypropylene carbonate and polypropylene melt-blown non-woven fabric slices to prepare biodegradable melt-blown non-woven fabric slices with excellent performance to solve product molding processability, heat resistance stability, Questions about mechanical properties, melt flow rate, compatibility, degradability, etc.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Biodegradable melt-blown non-woven fabric sliced sheet and preparation method thereof
  • Biodegradable melt-blown non-woven fabric sliced sheet and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Weigh each component according to the following parts by mass:

[0036] 90 parts of polypropylene carbonate; 10 parts of polypropylene melt-blown non-woven fabric slices; 20 parts of nano calcium carbonate; 2 parts of maleic anhydride grafted polypropylene; 0.5 parts of maleic anhydride; 0.01 part of dicumyl peroxide; 1 part of nano silicon dioxide; 1 part of erucamide; 0.5 part of citric acid; 0.2 part of benzoin monoalkyl ether.

[0037] The preparation process is as follows:

[0038] Dry the above-mentioned components in an oven at 50°C for 6 hours (because polypropylene carbonate is easy to absorb water, in order to prevent it from absorbing water again during the drying process, some potassium hydroxide can be added as a water-absorbing agent). The dried components are mixed in a high-speed pulverizer in proportion for 0.5 min, and then melted and blended in an internal mixer. The blending temperature is 175 ° C, the blending time is 5 min, and the speed is 35 r / m...

Embodiment 2

[0048] Weigh each component according to the following parts by mass:

[0049] 80 parts of polypropylene carbonate; 20 parts of polypropylene meltblown non-woven fabric slices; 25 parts of nano calcium carbonate; 2 parts of maleic anhydride grafted polypropylene; 1 part of maleic anhydride; 0.01 part of dicumyl peroxide; 1 part of nano silicon dioxide; 1 part of erucamide; 0.5 part of oxalic acid; 0.2 part of benzoin monoalkyl ether.

[0050] The preparation process is as follows:

[0051] Dry the above-mentioned components in an oven at 50°C for 6 hours (because polypropylene carbonate is easy to absorb water, in order to prevent it from absorbing water again during the drying process, some potassium hydroxide can be put in as a water-absorbing agent). The dried components were mixed in a high-speed pulverizer in proportion for 0.5 min, and then melted and blended in an internal mixer. The blending temperature was 175 ° C, the blending time was 5 min, and the rotation speed ...

Embodiment 3

[0061] Weigh each component according to the following parts by mass:

[0062] 70 parts of polypropylene carbonate; 30 parts of polypropylene melt-blown non-woven fabric slices; 28 parts of nano calcium carbonate; 3 parts of maleic anhydride grafted polypropylene; 1 part of di-n-butylamine; 0.01 part of benzoyl peroxide; 1 part of zinc oxide; 1 part of phthalimide oleate; 0.3 part of oxalic acid; 0.2 part of benzophenone.

[0063] The preparation process is as follows:

[0064] Dry the above-mentioned components in an oven at 50°C for 6 hours (because polypropylene carbonate is easy to absorb water, in order to prevent it from absorbing water again during the drying process, some potassium hydroxide can be put in as a water-absorbing agent). The dried components are mixed in proportion in a high-speed mixing pulverizer for 0.5 min, and then melted and blended in an internal mixer. The blending temperature is 175 ° C, the blending time is 5 min, and the rotation speed is 35 r / ...

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Abstract

The invention discloses a biodegradable melt-blown non-woven fabric sliced sheet and a preparation method thereof. The biodegradable melt-blown non-woven fabric sliced sheet comprises the following components in part by mass: 50-90 parts of polypropylene carbonate, 10-50 parts of polypropylene melt-blown non-woven fabric sliced sheets, 0-40 parts of nano-particles, 0-10 parts of bulking agent, 0-8 parts of end-capping reagent, 0-0.1 part of initiating agent, 0-2 parts of heat-resisting stabilizing agent, 0-2 parts of slipping agent, 0-2 parts of biodegradation accelerant and 0-1 part of photolysis agent; and the preparation method comprises the following steps: drying the components for 6-12 h at the temperature of 45-55 DEG C; performing melt blending in proportion in mixing equipment, wherein the blending temperature is 100-210 DEG C, the blending time is 3-8 min, and the rotating speed is 15-50 r / min; and then performing extrusion and granulation on the blend through a single-screw or double-screw extruder, wherein the temperature of the extruder is 100-210 DEG C, and the rotating speed is 15-50 r / min. According to the biodegradable melt-blown non-woven fabric sliced sheet provided by the invention, the tensile strength can reach 25.86 MPa to the maximum, the melt flow rate is 800-3000 g / 10min, the glass-transition temperature Tg can reach 28.37 DEG C to the maximum, and the thermal decomposition temperature T(-5%) can reach 260 DEG C to the maximum.

Description

technical field [0001] The invention relates to a melt-blown non-woven fabric slice and a preparation method thereof, in particular to a biodegradable melt-blown non-woven fabric slice and a preparation method thereof, belonging to the technical field of non-woven fabric manufacture. Background technique [0002] Non-woven fabrics, also known as non-woven fabrics, are composed of directional or random fibers, and have the characteristics of moisture-proof, breathable, flexible, light, non-combustible, easy to decompose, non-toxic, non-irritating, rich in color, and low in price. The production technologies of non-woven fabrics mainly include spunbond method, meltblown method, pulp air-laid method, needle (water) puncture method, chemical bonding method and thermal bonding method, etc. Among them, the meltblown method is a new and promising new technology, which has the advantages of advanced technology, short process, low cost, and easy access to raw materials. It has develo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): C08L69/00C08L23/12C08K13/02C08K3/26C08K3/30C08K3/34C08K3/36C08K5/092B29C47/92B29B9/06B29B7/72B29C48/92
CPCB29C48/40B29C48/92B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895
Inventor 潘莉莎田政陈龙敏徐鼐陈喆熊亚林庞素娟林强
Owner XINLONG HLDG GROUP
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