阅读说明：本技术 一种织物纤维阻燃板的制备方法 (Preparation method of fabric fiber flame-retardant board ) 是由 刘春晓 张雪 刘平平 车雪梅 从文韬 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种织物纤维阻燃板的制备方法,包括制备纤维布、配制阻燃浆、涂浆、烘干、层叠制板坯以及涂覆防水涂层等步骤。本发明的有益效果是：本发明所制备的阻燃浆为乳液状,不易发生沉降,处理纤维布时,一部分渗入到纤维布内部,剩余部分在表面,里层和表层共同起阻燃作用,阻燃效率高,阻燃效果达到了国家B1级阻燃标准,氧指数在32％以上,相比于喷洒和浸泡工艺,不会因对纤维布的增重过大而造成纤维布牵引过程中断布、断丝等现象。(the invention discloses a preparation method of a fabric fiber flame-retardant plate, which comprises the steps of preparing fiber cloth, preparing flame-retardant slurry, coating the slurry, drying, laminating plate blanks, coating a waterproof coating and the like. The invention has the beneficial effects that: the flame-retardant pulp prepared by the invention is emulsion-shaped, does not easily settle, when the fiber cloth is treated, one part of the flame-retardant pulp permeates into the fiber cloth, the rest part of the flame-retardant pulp is on the surface, the inner layer and the surface layer jointly play a flame-retardant role, the flame-retardant efficiency is high, the flame-retardant effect reaches the national B1-grade flame-retardant standard, the oxygen index is above 32%, and compared with the spraying and soaking process, the phenomena of cloth breaking, silk breaking and the like in the fiber cloth traction process caused by overlarge weight increment of the fiber cloth can be avoided.)

1. The preparation method of the fabric fiber flame-retardant board is characterized by comprising the following steps of:

1) preparing fiber cloth: after personal information name cards of junior clothing are removed, core material fiber cloth and surface material fiber cloth are manufactured by scattering and needle spinning;

2) Preparing flame-retardant slurry: compounding the liquid flame retardant and the powder flame retardant to prepare paste or emulsion to prepare flame retardant slurry;

3) Coating slurry: coating the flame-retardant slurry obtained in the step 2) on one side of the fiber cloth by scraping or roller brushing;

4) Drying: drying the fiber cloth coated with the flame-retardant slurry in the step 3) in an oven;

5) laminating the plate blanks: after drying, keeping the temperature of the fiber cloth, wherein the lowest layer is the pulp-coated surface material fiber cloth, the middle layer is a plurality of layers of pulp-coated core material fiber cloth, the pulp-coated surface of each fiber cloth is kept upward, the top of the fiber cloth is covered by the surface material fiber cloth which is not coated with pulp after being overlaid and paved, and then the fiber cloth is hot-pressed and cold-pressed by a pressing plate to form a fabric fiber board blank;

6) Coating a waterproof coating: and (5) coating waterproof paint on the surface of the plate blank obtained in the step 5), and naturally drying to form a film.

2. The method for preparing a fabric fiber flame retardant panel according to claim 1, wherein the weight of the core material fiber cloth in step 1) is 490 to 500g/m²the weight of the surface material fiber cloth is 198-215g/m²。

3. the method for preparing the fabric fiber flame retardant board according to claim 1, wherein in the step 2), the liquid flame retardant is an aqueous solution of diammonium hydrogen phosphate with the concentration of 35-41 wt%; the powder flame retardant is one or more of ammonium polyphosphate, melamine polyphosphate or melamine.

4. the preparation method of the fabric fiber flame-retardant board according to claim 3, wherein in the flame-retardant slurry in the step 2), the weight ratio of the liquid flame retardant to the powder flame retardant is 1 (1.5-2).

5. The method for preparing fabric fiber fire retardant panel according to claim 1, wherein the sizing amount of the fire retardant pulp in step 3) is 240-310g/m²。

6. The method for preparing the fabric fiber flame-retardant board according to claim 1, wherein in the step 4), the drying temperature is 180-200 ℃ and the drying time is 8-10 min.

7. The method for preparing the fabric fiber flame retardant board according to claim 1, wherein in the step 5), the number of the layers of the pulp-coated core material fiber cloth is 2-5.

8. The method for preparing the fabric fiber flame retardant board according to claim 1, wherein in the step 5), the hot pressing pressure is 15-17MPa, the temperature is 200-220 ℃, the cold pressing pressure is 16-18MPa, and the temperature is 23-25 ℃.

9. The method for preparing a fabric fiber flame retardant panel according to claim 1, wherein in step 6), the waterproof coating is one of polyurethane waterproof coating, acrylic waterproof coating, polymer cement-based waterproof coating, and cationic emulsified asphalt waterproof coating.

Technical Field

The invention relates to the field of flame retardance, in particular to a preparation method of a fabric fiber flame-retardant board.

Background

With the rapid development of informatization and science and technology, the requirements of military troops on the appearance and the functionality of military uniforms are higher and higher, and the military uniforms are updated more and more quickly. The changed military suit can not be directly treated as the same as the common fabric because of the military confidentiality, and the personal information name plate is removed and then is treated after being recycled by a special organization or an enterprise. Some enterprises process the recycled military clothes into fabric fiber boards, and the fabric fiber boards are used for building wallboards and the like, and are low in cost, light in weight and easy to install.

The pure fabric fiberboard is extremely easy to burn and can be used in the fields of building materials and other decorations after being subjected to flame retardant treatment. In the process of producing the fabric fiberboard, the soaking flame-retardant and spraying flame-retardant processes contain a large amount of moisture, so that the phenomena of yarn breakage, cloth breakage and the like of the fiber cloth in traction due to overlarge load are easily caused, the residual quantity of the flame retardant in the soaking and spraying processes cannot be quantitatively controlled, and the flame-retardant effect is poor.

Disclosure of Invention

the invention provides a preparation method of a fabric fiber flame-retardant plate, aiming at the problems of poor flame-retardant treatment effect and difficult implementation of a flame-retardant process of the existing fabric fiber plate for building materials.

The technical scheme for solving the technical problems is as follows: the preparation method of the fabric fiber flame-retardant board is characterized by comprising the following steps of:

1) Preparing fiber cloth: after personal information name cards of junior clothing are removed, core material fiber cloth and surface material fiber cloth are manufactured by scattering and needle spinning;

2) preparing flame-retardant slurry: compounding the liquid flame retardant and the powder flame retardant to prepare paste or emulsion to prepare flame retardant slurry;

3) Coating slurry: coating the flame-retardant slurry obtained in the step 2) on one side of the fiber cloth by scraping or roller brushing;

4) Drying: drying the fiber cloth coated with the flame-retardant slurry in the step 3) in an oven;

5) Laminating the plate blanks: after drying, keeping the temperature of the fiber cloth, wherein the lowest layer is the pulp-coated surface material fiber cloth, the middle layer is a plurality of layers of pulp-coated core material fiber cloth, the pulp-coated surface of each fiber cloth is kept upward, the top of the fiber cloth is covered by the surface material fiber cloth which is not coated with pulp after being overlaid and paved, and then the fiber cloth is hot-pressed and cold-pressed by a pressing plate to form a fabric fiber board blank;

6) coating a waterproof coating: and 5) coating waterproof paint on the surface of the plate blank obtained in the step 5), and naturally drying to form a film.

in the step 1), the weight of the core material fiber cloth is 490-500g/m²the weight of the surface material fiber cloth is 198-215g/m²。

In the step 2), the liquid flame retardant is an aqueous solution of diammonium hydrogen phosphate, and the concentration is 35-41 wt%; the powder flame retardant is one or more of ammonium polyphosphate, melamine polyphosphate or melamine; in the flame retardant slurry, the weight ratio of the liquid flame retardant to the powder flame retardant is 1 (1.5-2).

in the step 3), the sizing amount of the flame-retardant sizing agent is 240-310g/m²。

in the step 4), the drying temperature is 180-200 ℃, and the drying time is 8-10 min.

In the step 5), the number of the layers of the pulp-coated core material fiber cloth is 2-5; the hot-pressing pressure is 15-17MPa, the temperature is 200-220 ℃, the cold-pressing pressure is 16-18MPa, and the temperature is 23-25 ℃.

in the step 6), the waterproof coating is one of a polyurethane waterproof coating, an acrylic waterproof coating, a polymer cement-based waterproof coating and a cationic emulsified asphalt waterproof coating.

The invention has the beneficial effects that: the flame-retardant pulp prepared by the invention is emulsion-shaped, does not easily settle, when the fiber cloth is treated, one part of the flame-retardant pulp permeates into the fiber cloth, the rest part of the flame-retardant pulp is on the surface, the inner layer and the surface layer jointly play a flame-retardant role, the flame-retardant efficiency is high, the flame-retardant effect reaches the national B1-grade flame-retardant standard, the oxygen index is above 32%, and compared with the spraying and soaking process, the phenomena of cloth breaking, silk breaking and the like in the fiber cloth traction process caused by overlarge weight increment of the fiber cloth can be avoided. The raw materials of the flame-retardant fabric fiberboard are easy to obtain, and the flame-retardant fabric fiberboard is mainly used for recycling military waste clothes and achieves recycling of wastes.

Detailed Description

The present invention is described below with reference to examples, which are provided for illustration only and are not intended to limit the scope of the present invention.