阅读说明：本技术 一种工业葡萄糖改性植物酚醛树脂及合成方法 (Industrial glucose modified plant phenolic resin and synthetic method thereof ) 是由 白超阳 于 2020-06-15 设计创作，主要内容包括：本发明公开了一种工业葡萄糖改性植物酚醛树脂,采用的技术方案为：所采用的原料包括植物酚,甲醛,三乙胺,尿素,改性剂。本发明原料的加入重量份数为：植物酚13-15份,甲醛40-50份,三乙胺0.8-0.9份,尿素15-18份,水15-19份,改性剂加入量为天然植物酚,甲醛,三乙胺和尿素总重量的2-5%。本树脂加入了工业葡萄糖,大大提高了水溶性热固性酚醛树脂的存放周期,同时提高了水溶性酚醛树脂的固化强度,是一种不污染环境的热固性酚醛树脂合成,主要使用在人造无机纤维。(The invention discloses an industrial glucose modified plant phenolic resin, which adopts the technical scheme that: the raw materials include plant phenol, formaldehyde, triethylamine, urea and modifier. The raw materials of the invention are added in parts by weight: 13-15 parts of plant phenol, 40-50 parts of formaldehyde, 0.8-0.9 part of triethylamine, 15-18 parts of urea, 15-19 parts of water and 2-5% of modifier based on the total weight of the natural plant phenol, the formaldehyde, the triethylamine and the urea. The resin is added with industrial glucose, greatly improves the storage period of the water-soluble thermosetting phenolic resin, improves the curing strength of the water-soluble phenolic resin, is synthesized from the thermosetting phenolic resin without polluting the environment, and is mainly used for artificial inorganic fibers.)

1. An industrial glucose modified plant phenolic resin is characterized in that: the raw materials are added in parts by weight: 13-15 parts of plant phenol, 40-50 parts of formaldehyde, 0.8-0.9 part of triethylamine, 15-18 parts of urea, 15-19 parts of water and 2-5% of modifier based on the total weight of the natural plant phenol, the formaldehyde, the triethylamine and the urea.

2. The industrial glucose-modified plant phenolic resin of claim 1, wherein: the plant phenol is cardanol or eugenol, and the fineness is less than or equal to 10 um.

3. The method for synthesizing the industrial glucose modified plant phenolic resin according to claim 1, wherein the method comprises the following steps: the method comprises the following steps: the raw materials are added in parts by weight: 13-15 parts of plant phenol, 40-50 parts of formaldehyde, 0.8-0.9 part of triethylamine, 15-18 parts of urea, 15-19 parts of water, and the addition amount of a modifier is 2-5% of the total weight of the natural plant phenol, the formaldehyde, the triethylamine and the urea; step two: adding plant phenol and formaldehyde into a reaction kettle, heating to 40-45 ℃, and adding triethylamine; step three: adding triethylamine, heating to 55-60 ℃, keeping the temperature for 90 minutes, and then heating to 67-72 ℃; step four: heating to 67-72 ℃, measuring the temperature at constant temperature to dissolve water, cooling after the water is dissolved to be qualified, and adding urea and industrial glucose; step five: adding urea and industrial glucose, cooling to 55 ℃, keeping the temperature for 30 minutes, and cooling to room temperature after the temperature is kept constant to synthesize the industrial glucose modified plant phenolic resin.

Technical Field

The invention relates to the technical field of chemical industry, in particular to an industrial glucose modified plant phenolic resin and a synthetic method thereof.

Background

Inorganic fibers (rock wool and glass wool) are composed of artificial inorganic fibers and resin, and the resin can firmly bond the fibers, so that the fibers can resist pressure and pressure, and the stability of the fibers under the irradiation of normal-temperature ultraviolet rays is promoted. In recent years, the inorganic fiber manufacturing industry has faced two major problems: firstly, the production quality stability of the inorganic fiber is poor, and secondly, a large amount of aldehyde and phenol are released in the production of the inorganic fiber, so that the health of operating personnel is seriously influenced.

The phenolic resin in the current market has short storage period and reduces the decomposition of alkaline water to resin stock solution.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides an industrial glucose modified plant phenolic resin which has stable production quality of inorganic fibers and does not discharge any harmful substances and a synthetic method thereof.

In order to achieve the aim, the invention discloses an industrial glucose modified plant phenolic resin,

the technical scheme is as follows: the raw materials include plant phenol, formaldehyde, triethylamine, urea and modifier.

The raw materials of the invention are added in parts by weight:

13-15 parts of plant phenol, 40-50 parts of formaldehyde, 0.8-0.9 part of triethylamine, 15-18 parts of urea, 15-19 parts of water and 2-5% of modifier based on the total weight of the natural plant phenol, the formaldehyde, the triethylamine and the urea.

The modifier is industrial glucose, and after the industrial glucose is modified, the degradation rate of ultraviolet rays on phenolic molecules can be reduced, and the solid content and the curing strength of the resin are improved.

Wherein the plant phenol is cardanol or eugenol.

The fineness of the high-quality plant phenol selected by the invention is less than or equal to 10um, the fineness of the synthesized phenolic resin can reach less than or equal to 10um, impurities are not generated, the filtering is not needed, the chemical reaction at the later stage is more sufficient, the use process of the final product and the miscibility of water can be improved, and the use and stirring process is more convenient.

The method improves the quality of products by improving the process and using higher proportion of plant phenol and formaldehyde, saves petroleum resources and reduces environmental pollution!

The invention provides a synthetic method of industrial glucose modified plant phenolic resin, which comprises the following steps:

the method comprises the following steps: the raw materials are added in parts by weight: 13-15 parts of plant phenol, 40-50 parts of formaldehyde, 0.8-0.9 part of triethylamine, 15-18 parts of urea, 15-19 parts of water, and the addition amount of a modifier is 2-5% of the total weight of the natural plant phenol, the formaldehyde, the triethylamine and the urea;

step two: adding plant phenol and formaldehyde into a reaction kettle, heating to 40-45 ℃, and adding triethylamine;

step three: adding triethylamine, heating to 55-60 ℃, keeping the temperature for 90 minutes, and then heating to 67-72 ℃;

step four: heating to 67-72 ℃, measuring the temperature at constant temperature to dissolve water, cooling after the water is dissolved to be qualified, and adding urea and industrial glucose;

step five: adding urea and industrial glucose, cooling to 55 ℃, keeping the temperature for 30 minutes, and cooling to room temperature after the temperature is kept constant to synthesize the industrial glucose modified plant phenolic resin.

The invention has the beneficial effects that:

the resin is added with industrial glucose, greatly improves the storage period of the water-soluble thermosetting phenolic resin, simultaneously improves the curing strength of the water-soluble phenolic resin, is synthesized by the thermosetting phenolic resin without polluting the environment, and is mainly used for artificial inorganic fibers (rock wool, glass wool and the like).

Detailed Description

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