阅读说明：本技术 一种聚酯树脂发泡材料及制作工艺 (polyester resin foaming material and manufacturing process thereof ) 是由 李烈栋 张良务 于 2019-11-19 设计创作，主要内容包括：本发明公开了一种聚酯树脂发泡材料及制作工艺,发泡材料组分按重量份数包括聚酯树脂50-60份、玄武岩纤维毡3-9份、钛酸酯改性碳酸钙2-6份、氧化锌4-10份、二氧化硅4-10份、三烯丙基异氰脲酸酯5-12份、石蜡5-12份、改性云母粉8-20份、羧乙基纤维素3-9份、二氧化钛2-6份,本发明制备工艺简单,制得的发泡材料具有优异的抗压性、抗拉伸性和柔韧性,耐热性和耐老化性能优异。(The invention discloses polyester resin foaming materials and a preparation process thereof, wherein the foaming materials comprise, by weight, 50-60 parts of polyester resin, 3-9 parts of basalt fiber felt, 2-6 parts of titanate modified calcium carbonate, 4-10 parts of zinc oxide, 4-10 parts of silicon dioxide, 5-12 parts of triallyl isocyanurate, 5-12 parts of paraffin, 8-20 parts of modified mica powder, 3-9 parts of carboxyethyl cellulose and 2-6 parts of titanium dioxide.)

The polyester resin foam material is characterized by comprising, by weight, 50-60 parts of polyester resin, 3-9 parts of basalt fiber felt, 2-6 parts of titanate modified calcium carbonate, 4-10 parts of zinc oxide, 4-10 parts of silicon dioxide, 5-12 parts of triallyl isocyanurate, 5-12 parts of paraffin, 8-20 parts of modified mica powder, 3-9 parts of carboxyethyl cellulose and 2-6 parts of titanium dioxide.

2. The kinds of polyester resin foam materials of claim 1, wherein the preferred composition ratio of the foam material components includes 55 parts of polyester resin, 6 parts of basalt fiber felt, 4 parts of titanate modified calcium carbonate, 7 parts of zinc oxide, 7 parts of silicon dioxide, 9 parts of triallyl isocyanurate, 8 parts of paraffin, 14 parts of modified mica powder, 6 parts of carboxyethyl cellulose, and 4 parts of titanium dioxide.

3. The manufacturing process for realizing kinds of polyester resin foaming materials of claim 1 is characterized by comprising the following steps:

A. adding titanate modified calcium carbonate, zinc oxide, silicon dioxide, triallyl isocyanurate, paraffin and modified mica powder into a stirring tank after mixing, and stirring at a low speed to obtain a mixture A;

B. adding polyester resin and basalt fiber felt into the mixture A, fully mixing, adding into a reaction kettle, heating and stirring at the heating temperature of 120-;

C. adding the mixture A into the mixture B, sequentially adding the carboxyethyl cellulose and the titanium dioxide, fully mixing, and adding into a mixing roll for mixing to obtain a mixture C;

D. and adding the mixture C into a double-screw extruder for extrusion to obtain the foaming material.

4. The process for preparing kinds of polyester resin foaming materials according to claim 3, wherein the stirring speed in step A is 80-120 rpm for 30-45 min.

5. The process for preparing kinds of polyester resin foaming materials according to claim 3, wherein the extrusion temperature in the step D is 160-180 ℃.

Technical Field

The invention relates to the technical field of foaming material manufacturing, in particular to polyester resin foaming materials and a manufacturing process thereof.

Background

The most common saturated polyester resin in the coating industry is a polyester resin containing a terminal hydroxyl functional group, and is cured into a film by crosslinking with resins such as isocyanate, amino resin and the like. Different raw materials make different contributions to the resin performance, and the raw materials are selected according to the performance requirement of the resin, and the corresponding raw materials which can help the required performance of the resin are selected, so that the multifunctional polyurethane resin has the advantages of functionality, hardness, flexibility and the like.

The prior polyester resin foaming material has poor high temperature resistance and aging resistance, and needs to be improved.

Disclosure of Invention

The invention aims to provide polyester resin foaming materials and a manufacturing process thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme that polyester resin foaming materials comprise, by weight, 50-60 parts of polyester resin, 3-9 parts of basalt fiber felt, 2-6 parts of titanate modified calcium carbonate, 4-10 parts of zinc oxide, 4-10 parts of silicon dioxide, 5-12 parts of triallyl isocyanurate, 5-12 parts of paraffin, 8-20 parts of modified mica powder, 3-9 parts of carboxyethyl cellulose and 2-6 parts of titanium dioxide.

Preferably, the foaming material comprises 55 parts of polyester resin, 6 parts of basalt fiber felt, 4 parts of titanate modified calcium carbonate, 7 parts of zinc oxide, 7 parts of silicon dioxide, 9 parts of triallyl isocyanurate, 8 parts of paraffin, 14 parts of modified mica powder, 6 parts of carboxyethyl cellulose and 4 parts of titanium dioxide.

Preferably, the manufacturing process comprises the following steps:

A. adding titanate modified calcium carbonate, zinc oxide, silicon dioxide, triallyl isocyanurate, paraffin and modified mica powder into a stirring tank after mixing, and stirring at a low speed to obtain a mixture A;

B. adding polyester resin and basalt fiber felt into the mixture A, fully mixing, adding into a reaction kettle, heating and stirring at the heating temperature of 120-;

C. adding the mixture A into the mixture B, sequentially adding the carboxyethyl cellulose and the titanium dioxide, fully mixing, and adding into a mixing roll for mixing to obtain a mixture C;

D. and adding the mixture C into a double-screw extruder for extrusion to obtain the foaming material.

Preferably, the stirring speed in the step A is 80-120 r/min, and the time is 30-45 min.

Preferably, the extrusion temperature in the step D is 160-180 ℃.

Compared with the prior art, the preparation method has the beneficial effects that the preparation process is simple, the prepared foaming material has excellent pressure resistance, tensile resistance and flexibility, and excellent heat resistance and aging resistance, wherein the added titanate modified calcium carbonate, zinc oxide and silicon dioxide can improve the high temperature resistance and flame resistance of the foaming material, the added modified mica powder and titanium dioxide can improve the heat resistance and aging resistance of the foaming material, and in addition, the preparation process adopted by the invention is simple to operate and low in cost, can ensure that all materials are fully mixed, and further improves the service performance of the foaming material in step .

Detailed Description

The technical solutions in the embodiments of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only some embodiments of of the present invention, rather than all embodiments.

The invention provides the following technical scheme that polyester resin foaming materials comprise, by weight, 50-60 parts of polyester resin, 3-9 parts of basalt fiber felt, 2-6 parts of titanate modified calcium carbonate, 4-10 parts of zinc oxide, 4-10 parts of silicon dioxide, 5-12 parts of triallyl isocyanurate, 5-12 parts of paraffin, 8-20 parts of modified mica powder, 3-9 parts of carboxyethyl cellulose and 2-6 parts of titanium dioxide.