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Process of producing articles, composite material and article

A technology for composite materials and products, which is applied in the field of manufacturing products and can solve problems such as high costs

Active Publication Date: 2015-06-10
BIESSE SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] These known methods therefore show many disadvantages, for example: they imply high costs, they require the use of polluting, harmful substances (such as formaldehyde), they only produce materials with a relatively high specific gravity, they are relatively slow and need more energy

Method used

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  • Process of producing articles, composite material and article
  • Process of producing articles, composite material and article

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0103] Mix the following:

[0104] A) 90% (based on the total weight of the mixture) of hemp wood from "cleaning" (mechanical extraction of textile fibres), harvested hemp on the ground successively in the shape of round bales and sun-dried in the sun from late July to August During the period at the beginning of the month, including: natural humidity 16%, wood particle size (1-2mm×1-2mm) to about (20mm×4-8mm), apparent density 90kg / m 3 .

[0105] B) 10% (based on the total weight of the mixture) resin-graphite combination consisting of 80% powder with a particle size of 0.1-80 microns; epoxy-polyester thermosetting resin with a melting point and a trigger temperature of thermosetting network of 130°C , 20% natural graphite with a particle size determination of 0.1-20 microns.

[0106] Thermoset Resin Sources

[0107] - Clear lacquers for commercial use as components of building systems using epoxy-polyester type 530 / 0015 electrostatic drying power system

[0108] - Manu...

Embodiment 2

[0120] Mix the following:

[0121] A) 90% (based on the total weight of the mixture) of hemp and wood from "cleaning" (mechanical extraction of textile fibres), the harvested hemp is sun-dried sequentially on the ground in round bales, from late July to During the period of early August, containing: natural humidity 16%, wood particle size is about 100-300 microns, apparent density 110kg / m 3 .

[0122] B) 10% (based on the total weight of the mixture) of a resin-graphite combination consisting of 80% powder with a particle size measurement of 0.1-80 microns; epoxy-polyester thermosetting resin with a melting point and a trigger temperature of thermosetting network of 130 °C, 20% natural graphite with a particle size measurement of 0.1-20 microns. Resin and graphite are as described in Example 1.

[0123] operation in progress

[0124] - Weigh and mechanically mix the components;

[0125] - filled cylinder, 105mm in diameter, 40mm in height, made of microwave transparent...

Embodiment 3

[0132] Mix the following:

[0133] A) 90% (based on the total weight of the mixture) of hemp wood from "cleaning" (mechanical extraction of textile fibres), harvested hemp on the ground successively in the shape of round bales and sun-dried in the sun from late July to August During the period at the beginning of the month, it contains: natural humidity 16%, wood particle size about 100-300 microns, apparent density 110kg / m 3 .

[0134] B) 10% (based on the total weight of the mixture) of a resin-graphite combination consisting of 80% powder with a particle size measurement of 0.1-80 microns; epoxy-polyester thermosetting resin with a melting point and a trigger temperature of thermosetting network of 130 °C, 20% natural graphite with a particle size measurement of 0.1-20 microns. Resin and graphite are as described in Example 1.

[0135] operation in progress

[0136] - Weigh and mechanically mix the components;

[0137] - the prepared 4 mm thick HDF disk of aggregated...

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Abstract

A method of manufacturing articles; particles of at least one substantially inert material, particles of at least one microwave opaque substance, and particles of at least one organic binder are mixed with one another so as to obtain a mixture, which is subsequently is treated with microwaves so that the particles of the microwave opaque substance at least partially absorb the microwaves sand dissipate energy in form of heat, which heats the binder so as to allow the particles of the binder itself to bind and constitute a matrix in which the particles of substantially inert material and the particles of microwave opaque substance are inserted.

Description

technical field [0001] The field of the invention relates to methods of making (or treating) articles, to a composite material and to such an article. Background technique [0002] Patent application US2007149625 discloses a method for recycling plastic matter by converting a sample of plastic matter into plastic granules with a desired particle size, providing the plastic granules with a sensitizer which gives the plastic electrical properties; providing the plastic particles with a binder; and treating the particles with microwave energy to form usable plastic materials. [0003] In U.S. Patent No. 5,075,057, waste plastic material containing thermoplastic and cured thermoset components is recovered and molded into products of predetermined shape without separating the different plastic components from each other by shredding and grinding the mixture , to make fine particles, homogenize the fine particle mixture into a free-flowing large homogeneous powder form, warm the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C35/02B29B13/02B29C70/58
CPCB29B13/023B29B13/021B29C35/0272B29C70/58B29C70/763B29C2035/0855
Inventor 麦克斯·卡蒂保罗·伯纳尔蒂
Owner BIESSE SPA