阅读说明：本技术 一种软体弹性麻纤维板材的生产工艺 (Production process of soft elastic fibrilia board ) 是由 李兴高 李坤 李世鹏 于 2021-05-08 设计创作，主要内容包括：本发明得到的一种软体弹性麻纤维板材的生产工艺,采用手工或机械收割法对原麻进行收割；利用雨露或水浸对收割的麻纤维进行生物发酵处理；并采用机械滚刀式确定长度并切割、开松,并通过除尘风机除尘吸走落下的杂物和粉尘,形成可供下一道工序使用的预处理材料；加入可热熔化学纤维经经开松、清杂、梳理、成网、铺纤通过165-195℃的温度热溶聚合、加压定型、冷却切割后,制备成软体弹性麻纤维板材。(The production process of the soft elastic fibrilia plate, which is obtained by the invention, adopts a manual or mechanical harvesting method to harvest raw fibrilia; carrying out biological fermentation treatment on the harvested fibrilia by rain or water immersion; determining the length by adopting a mechanical hob type, cutting and opening, and removing dust by a dust removal fan to suck falling impurities and dust to form a pretreatment material for the next procedure; adding hot-melt chemical fiber, opening, removing impurities, carding, forming web, spreading fiber, hot-melt polymerizing at the temperature of 165-195 ℃, pressurizing, shaping, cooling and cutting to prepare the soft elastic fibrilia plate.)

1. A production process of a soft elastic fibrilia plate is characterized by comprising the following steps:

s1, pretreatment of the raw materials: harvesting raw ramie by adopting a manual or mechanical harvesting method; performing biological fermentation treatment on the harvested products by rain or water immersion; determining the length by adopting a mechanical hob type and cutting, and finally removing dust and absorbing fallen impurities and dust by a dust removal fan to form a pretreatment material for the next procedure;

s2, selecting hot-melt materials: selecting a heat-fusible chemical fiber with the temperature resistance range of 165-195 ℃;

s3, adding the pretreatment material obtained in the step S1 into the hot-melt material obtained in the step S2, and then preparing an elastic fibrilia plate after opening, impurity removing, carding, web forming, fiber laying, hot-melt polymerization, pressure forming, cooling and cutting; wherein the hot melt polymerization mode is as follows: dissolving the hot-melt material in the hot-melt critical temperature and the hot-melt material in the fibrilia in the pretreatment material obtained in the step S1 and the hot-melt material in the step S2 to polymerize the fibrilia, and controlling the time of pressure forming to be 3-5 minutes during pressure forming; and the adjusting range of the influence of the pressure of the roller and the transfer speed on the elasticity of the fibrilia plate is 400-500 kg/square meter.

2. The process for producing an elastic jute fiber board according to claim 1 wherein said raw jute comprises one or more of ramie, yellow kenaf, flax, hemp and apocynum venetum.

3. The process for producing an elastic fibrilia plate as claimed in claim 1 or 2, wherein the fermentation temperature in step S1 is controlled in the range of 25-38 ℃ and the moisture regain is ensured in the range of 18-22%.

4. The process for producing an elastic fibrilia panel as claimed in claim 1 or 2, wherein the thickness of the product is determined by the number of layers of the web, and the thickness is controlled to be in the range of 1cm to 20cm in step S3.

5. The process for producing an elastic fibrilia panel as claimed in claim 3, wherein the thickness of the product is determined by the number of layers of the web, and the thickness is controlled to be in the range of 1cm to 20cm in step S3.

Technical Field

The invention relates to the technical field of fibrilia boards, in particular to a production process of a soft elastic fibrilia board.

Background

China has abundant fibrilia resources, the history of applying the fibrilia to the clothing life of people is long, the weight of 'plain yarn clothing' unearthed from the Changsha Mawangdui tomb is only 46 g, and collars and cuffs of the 'plain yarn clothing' are pure fibrilia, which indicates that China has developed a fibrilia spinning process more than 2000 years ago. Entering the modern civilized society of human beings with rapid development of technological technology, the application of hemp fibers is popularized to various departments such as home textiles, clothes, shoes and hats, industrial cloth and the like. However, the door products are all finished by degumming, spinning, weaving, dyeing and finishing and other processes, the process route is long, the labor is more, the pollution is serious, and the door products are generally used for producing fast consumption products. Therefore, the treatment process of the fibrilia is complex before the fibrilia is used for manufacturing products at present, and the natural insect-proof and bacteriostatic performance of the fibrilia is effectively destroyed in the process of manufacturing the process, so that the functions of the products are weakened in the later period, and the final process has the disadvantages of too long time, more labor and serious pollution, so the improvement is needed.

Therefore, the invention utilizes the natural insect-proof and bacteriostatic performance of the hemp fiber, the ramie, the yellow kenaf, the flax, the hemp, the apocynum venetum and other raw hemp are subjected to pretreatment independently or in a mixing way, the pretreatment comprises rolling, cutting, moistening and biological fermentation, then the hot-melt material is added, and the elastic hemp fiber board is prepared after opening, impurity removing, carding, net forming, fiber laying, hot-press forming and board cutting, and is used for durable consumer board-shaped new materials such as soft packages, soft furniture, sound insulation materials, carpets, gaskets and the like of home packaging to replace sponge, coconut palm and other materials with serious formaldehyde standard exceeding, easy mite deformation and bacteria growth, so that healthy, ecological and environment-friendly products are provided for human beings. The product can be recycled by 100 percent after use, and the waste can be naturally degraded.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provide a production process of a soft elastic fibrilia plate. The invention is based on the premise of researching the fibrilia impurity-removing and web-forming process technology without degumming process, selects the hot-melt material, mutually melts the hot-melt material with colloid in the fibrilia at the hot-melt critical temperature, polymerizes the fibrilia and shapes the fibrilia into the fibrilia board, thereby realizing no generation of harmful substances such as formaldehyde and the like, ensuring the elasticity and the insect-proof and bacteriostatic performance of the product, simultaneously recycling the waste after the use period or recycling the waste through natural degradation, and manufacturing the product which is really environment-friendly, ecological and healthy.

In order to achieve the purpose, the production process of the elastic fibrilia plate, which is designed by the invention, comprises the following steps:

s1, pretreatment of the raw ramie product: harvesting raw ramie by adopting a manual or mechanical harvesting method; fermenting the harvested product by rain or water immersion; determining the length by adopting a mechanical hob type and cutting, and finally removing dust and absorbing fallen impurities and dust by a dust removal fan to form a pretreatment material for the next procedure;

s2, selecting hot-melt materials: selecting a hot-melt material with the temperature resistance range of 165-195 ℃;

s3, adding the pretreatment material obtained in the step S1 into the hot-melt material obtained in the step S2, and then preparing an elastic fibrilia plate after opening, impurity removing, carding, web forming, fiber laying, hot-melt polymerization, pressure forming, cooling and cutting; wherein the hot melt polymerization mode is as follows: dissolving the hot-melt material at the hot-melt critical temperature, the fibrilia in the pretreatment material obtained in the step S1 and the hot-melt material obtained in the step S2 to polymerize the fibrilia, and controlling the time of pressure forming to be 3-5 minutes during pressure forming; the adjusting range of the influence of the pressure and the transfer speed of the roller of the compression roller on the elasticity of the fibrilia core plate is 400-500 kg/square meter;

further, the raw hemp comprises one or more of ramie, yellow kenaf, flax, hemp and apocynum venetum.

Further, the temperature control range of the fermentation in the step S1 is 25-38 ℃, and the moisture regain is ensured to be 18-22%.

Further, the thickness of the product is determined by the number of layers of the lapping in step S3, and the thickness is controlled to be in the range of 1cm-20 cm.

The production process of the soft elastic fibrilia plate obtained by the invention is based on the premise of researching a fibrilia impurity removal and web formation process technology without degumming process, selects the hot-melt material, mutually dissolves the hot-melt material with colloid in the fibrilia at the hot-melt critical temperature, polymerizes the fibrilia and shapes the fibrilia into the fibrilia plate, thereby realizing no generation of harmful substances such as formaldehyde and the like, ensuring the soft elasticity and the insect-proof and bacteriostatic performance of the product, and simultaneously recycling the waste after the use period or recycling the waste through natural degradation, thereby manufacturing the real environment-friendly, ecological and healthy product. The manufacturing process does not produce pollutants, the production process is clean, and the product is ecological.

Detailed Description

The present invention will be further described with reference to the following examples.

Example 1:

the production process of the new material for the soft elastic fibrilia core plate provided by the embodiment specifically comprises the following steps:

s1, pretreatment of the raw ramie product: harvesting raw ramie by adopting a manual or mechanical harvesting method; fermenting the harvested product by rain or water immersion; determining the length by adopting a mechanical hob type and cutting, and finally removing dust and absorbing fallen impurities and dust by a dust removal fan to form a pretreatment material for the next procedure;

s2, selecting hot-melt materials: selecting a hot melting material with the temperature resistance range of 170 ℃ and 180 ℃;

s3, adding the pretreatment material obtained in the step S1 into the hot-melt material obtained in the step S2, and then preparing a new elastic fibrilia core plate material after opening, impurity removing, carding, web forming, fiber laying, hot-melt polymerization, pressure forming, cooling and cutting; wherein the hot melt polymerization mode is as follows: dissolving the hot-melt material at the hot-melt critical temperature, the fibrilia in the pretreatment material obtained in the step S1 and the hot-melt material obtained in the step S2 to polymerize the fibrilia, and controlling the time of pressure forming to be 4 minutes during pressure forming; the adjusting range of the influence of the pressure of the roller and the transfer speed on the elasticity of the fibrilia plate is 450 kg/square meter;

further, the raw hemp comprises one or more of ramie, yellow kenaf, flax, hemp and apocynum venetum.

Further, the temperature control range of the fermentation in the step S1 is between 28 and 32 ℃, and the moisture regain is ensured to be between 18 and 22 percent.

Further, the thickness of the product is determined by the number of layers of the lapping in step S3, and the thickness range is controlled to be 10 cm.

In this embodiment, the method specifically includes the following steps:

s1, ramie, yellow kenaf, flax, hemp and apocynum venetum are pretreated: respectively harvesting the raw ramie by adopting a manual or mechanical harvesting method; fermenting the harvested product by rain or water immersion; the lengths are determined by adopting a mechanical hobbing cutter type, the lengths are respectively cut and then mixed, and finally, dust is removed by a dust removal fan to suck falling sundries and dust, so that a pretreatment material for the next procedure is formed;

s2, selecting hot-melt materials: selecting a hot-melt material with the temperature resistance of 180 ℃;

s3, adding the pretreatment material obtained in the step S1 into the hot-melt material obtained in the step S2, and then preparing a new elastic fibrilia plate material after opening, impurity removing, carding, web forming, fiber laying, hot-melt polymerization, pressure forming, cooling and cutting; wherein the hot melt polymerization mode is as follows: dissolving the hot-melt material at the hot-melt critical temperature, the fibrilia in the pretreatment material obtained in the step S1 and the hot-melt material obtained in the step S2 to polymerize the fibrilia, and controlling the time of pressure forming to be 5 minutes during pressure forming; the adjusting range of the influence of the pressure of the roller and the transfer speed on the elasticity of the fibrilia plate is 460 kg/square meter;

meanwhile, in the embodiment, the fermentation temperature is controlled within 25 ℃ in the step S1, the moisture regain is guaranteed to be 18%, the product thickness is determined by the number of layers of the lapping layer in the step S3, and the thickness range is controlled to be 15 cm.

Example 2:

the production process of the soft elastic fibrilia plate provided by the embodiment specifically comprises the following steps:

s1, pretreatment of ramie, yellow kenaf and flax products: respectively harvesting raw ramie by adopting a manual or mechanical harvesting method; fermenting the harvested product by rain or water immersion; the lengths are determined by adopting a mechanical hobbing cutter type, the lengths are respectively cut and then mixed, and finally, dust is removed by a dust removal fan to suck falling sundries and dust, so that a pretreatment material for the next procedure is formed; the fermentation temperature control range is 38 ℃, and the moisture regain is ensured to be 22%;

s2, selecting hot-melt materials: selecting a hot-melt material with the temperature resistance range of 190 ℃;

s3, adding the pretreatment material obtained in the step S1 into the hot-melt material obtained in the step S2, and then preparing a new elastic fibrilia plate material after opening, impurity removing, carding, web forming, fiber laying, hot-melt polymerization, pressure forming, cooling and cutting; wherein the hot melt polymerization mode is as follows: dissolving the hot-melt material at the hot-melt critical temperature, the fibrilia in the pretreatment material obtained in the step S1 and the hot-melt material obtained in the step S2 to polymerize the fibrilia, and controlling the time of pressure forming to be 4 minutes during pressure forming; the adjusting range of the influence of the pressure of the roller and the transfer speed on the elasticity of the fibrilia plate is 500 kilograms per square meter; the thickness of the product is determined by the number of lapping layers, and the thickness range is controlled to be 10 cm.

Example 3:

the production process of the soft elastic fibrilia plate provided by the embodiment specifically comprises the following steps:

s1, pretreatment of the ramie raw product: harvesting raw ramie by adopting a manual or mechanical harvesting method; fermenting the harvested product by rain or water immersion; determining the length by adopting a mechanical hob type and cutting, and finally removing dust and absorbing fallen impurities and dust by a dust removal fan to form a pretreatment material for the next procedure; the temperature control range of the fermentation is 30 ℃, and the moisture regain is ensured to be 19%.

S2, selecting hot-melt materials: selecting a hot-melt material with the temperature resistance range of 190 ℃;

s3, adding the pretreatment material obtained in the step S1 into the hot-melt material obtained in the step S2, and then preparing a new elastic fibrilia core plate material after opening, impurity removing, carding, web forming, fiber laying, hot-melt polymerization modification, pressure forming and cutting; wherein the hot melt polymerization mode is as follows: dissolving the hot-melt material at the hot-melt critical temperature, the fibrilia in the pretreatment material obtained in the step S1 and the hot-melt material obtained in the step S2 to polymerize the fibrilia, and controlling the time of pressure forming to be 4 minutes during pressure forming; the adjusting range of the influence of the pressure of the roller and the transfer speed on the elasticity of the fibrilia plate is 500 kilograms per square meter; the thickness of the product is determined by the number of lapping layers, and the thickness range is controlled to be 6 cm.

Example 4:

the production process of the soft elastic fibrilia plate provided by the embodiment specifically comprises the following steps:

s1, preprocessing four raw ramie products including ramie, yellow kenaf, flax and hemp: respectively harvesting raw ramie by adopting a manual or mechanical harvesting method; fermenting the harvested product by rain or water immersion; the lengths are determined by adopting a mechanical hobbing cutter type, the lengths are respectively cut and then mixed, and finally, dust is removed by a dust removal fan to suck falling sundries and dust, so that a pretreatment material for the next procedure is formed; the temperature control range of fermentation is 35 ℃, and the moisture regain is ensured to be 20%;

s2, selecting hot-melt materials: selecting a hot-melt material with the temperature resistance range of 195 ℃;

s3, adding the pretreatment material obtained in the step S1 into the hot-melt material obtained in the step S2, and then preparing an elastic fibrilia plate after opening, impurity removing, carding, web forming, fiber laying, hot-melt polymerization, pressure forming, cooling and cutting; wherein the hot melt polymerization mode is as follows: dissolving the hot-melt material at the hot-melt critical temperature, the fibrilia in the pretreatment material obtained in the step S1 and the hot-melt material obtained in the step S2 to polymerize the fibrilia, and controlling the time of pressure forming to be 3.5 minutes during pressure forming; the adjusting range of the influence of the pressure of the roller and the transfer speed on the elasticity of the fibrilia plate is 480 kilograms per square meter; determining the thickness of the product through the number of lapping layers, wherein the thickness range is controlled to be 18 cm;

example 5:

the production process of the soft elastic fibrilia plate provided by the embodiment specifically comprises the following steps:

s1, pre-treating two raw ramie products including ramie and flax: respectively harvesting raw ramie by adopting a manual or mechanical harvesting method; fermenting the harvested product by rain or water immersion; the lengths are determined by adopting a mechanical hobbing cutter type, the lengths are respectively cut and then mixed, and finally, dust is removed by a dust removal fan to suck falling sundries and dust, so that a pretreatment material for the next procedure is formed; the temperature control range of fermentation is 32 ℃, and the moisture regain is ensured to be 21%;

s2, selecting hot-melt materials: selecting a hot-melt material with the temperature resistance range of 190 ℃;

s3, adding the pretreatment material obtained in the step S1 into the hot-melt material obtained in the step S2, and then preparing a new elastic fibrilia core plate material after opening, impurity removing, carding, web forming, fiber laying, hot-melt polymerization, pressure forming, cooling and cutting; wherein the hot melt polymerization mode is as follows: dissolving the hot-melt material at the hot-melt critical temperature, the fibrilia in the pretreatment material obtained in the step S1 and the hot-melt material obtained in the step S2 to polymerize the fibrilia, and controlling the time of pressure forming to be 3.8 minutes during pressure forming; the adjusting range of the influence of the pressure of the roller and the transfer speed on the elasticity of the fibrilia plate is 470 kg/square meter; determining the thickness of the product through the number of layers of lapping, wherein the thickness range is controlled to be 4.5 cm;

verified, the present embodiment has the following advantages:

1. because the coconut fiber board in the prior art adopts a chemical gluing process, the formaldehyde content seriously exceeds the standard, and the product adopts an ecological environment-friendly method to combine the fibrilia together to prepare a soft elastic fibrilia board without formaldehyde;

2. the method is characterized in that the hot-melt material is selected on the premise of researching a fibrilia impurity-removing and web-forming process technology without a degumming process, the hot-melt material is mutually melted with colloid in the fibrilia at the hot-melt critical temperature, the fibrilia is polymerized and shaped into a novel fibrilia plate material, so that no harmful substances such as formaldehyde are generated, the elasticity and the insect-proof and bacteriostatic performance of the product are ensured, and meanwhile, the waste and old wastes after the use period is recovered or are recycled through natural degradation, so that the environment-friendly, ecological and healthy product is really manufactured. The manufacturing process does not produce pollutants, the production process is clean, and the product is ecological.