CN110511363A - A kind of forming method of resin - Google Patents
A kind of forming method of resin Download PDFInfo
- Publication number
- CN110511363A CN110511363A CN201910705568.6A CN201910705568A CN110511363A CN 110511363 A CN110511363 A CN 110511363A CN 201910705568 A CN201910705568 A CN 201910705568A CN 110511363 A CN110511363 A CN 110511363A
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- CN
- China
- Prior art keywords
- resin
- reaction
- temperature
- forming method
- dimethylbenzene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/46—Polyesters chemically modified by esterification
- C08G63/48—Polyesters chemically modified by esterification by unsaturated higher fatty oils or their acids; by resin acids
Abstract
The invention discloses a kind of forming methods of resin, the forming method of the resin passes through step 1, step 2, step 3, step 4, step 5 and step 6 are effectively prepared, consequently facilitating resin preparation forming, and it is formed in preparation process in resin, it is prepared in this way by six steps, so that improving the working efficiency of preparation, and the polyesterification reaction of step 3 will pay close attention to the rate of output water and water yield, and it samples in required time, measure acid value and viscosity, consequently facilitating personnel learn pet reaction state, and personnel pass through the control amount of reflux dimethylbenzene, so that the effectively whole reaction of control carries out, so that more convenient when producing preparation, and in polyesterification reaction, it is connected by the molecular structure of reinforcing agent, so that effectively changing molecule connection type, so that resin is when artificial synthesized formation , there is good bending strength and compressive strength, mechanical property and weatherability are changed.
Description
Technical field
The invention belongs to associated resin technical fields, and in particular to a kind of forming method of resin.
Background technique
Resin typically refer to it is heated after be softened or melted range, there are liquidity preference, room temperature in when softening under external force
Under be solid-state, semisolid, be also possible to the organic polymer of liquid sometimes.Broadly upper definition, can be used as plastic products and adds
Any high-molecular compound of work raw material is referred to as resin.
Relative molecular weight is uncertain but usually higher, is in solid-state, middle solid-state, pseudo-solid condition under room temperature, is also possible to liquid sometimes
The organic substance of state.With temperature range is softened or melted, there is liquidity preference under external force, rupture is in conchoidal often.
Broadly refer to polymer or prepolymer as plastic basis material.It is general not soluble in water, organic solvent can be dissolved in.Can by sources it divide
For natural resin and synthetic resin；It is divided into thermoplastic resin and thermosetting resin again by the different feature of its processing behavior.
Existing resin technology has the following problems: existing resin does not have fine when artificial synthesized formation
Bending strength and compressive strength, mechanical property is influenced by temperature larger, and weatherability is poor, so that it is competing not have good market
Strive dynamics.
Summary of the invention
The purpose of the present invention is to provide a kind of forming methods of resin, mentioned above in the background art existing to solve
Resin when artificial synthesized formation, do not have good bending strength and compressive strength, shadow of the mechanical property by temperature
Sound is larger, and weatherability is poor, so that not having the problem of good market competition dynamics.
To achieve the above object, the invention provides the following technical scheme:
A kind of forming method of resin, the forming step of the resin are as follows:
Step 1: choosing resin and form material, and it includes: phthalic anhydride, glycerol, oil that wherein Albertol, which synthesizes material,
Acid, diluted solvent, reflux dimethylbenzene and reinforcing agent.
Step 2: the phthalic anhydride of selection, glycerol, oleic acid, reflux dimethylbenzene and reinforcing agent are passed through into metering respectively
Device, which is added in reaction kettle, to be chemically reacted, and is inputted during the reaction by external nitrogen device, thus anti-
It answers and forms antioxygen protection inside kettle, be passed through after nitrogen in this way, start to mix slowly inside reaction kettle.
Step 3: during the reaction, being heated by external heating device, so that on reaction kettle internal temperature
It rises, in this way by external heating device, so that temperature is slowly brought up to 180 DEG C in 2h, and 1h is kept the temperature, so that warm
Degree maintains 180 DEG C, later by heating device, so that reaction kettle internal temperature is warming up in 210 DEG C in 2h, and ties up
Hold heat preservation 2h.
Step 4: being manually sampled, and is reached by sampling survey acid value and viscosity is sticked when acid value of sampling reaches 10mgKOH/g
Degree (Gardner-Holdt bubble tube) reaches 10s, then stops heating, if not reaching, continues to keep temperature, carries out repetition measurement every 0.5h, thus
Until reaching requirement.
Step 5: diluted solvent is added later and is stirred dilution, later by filtering and detection.
Step 6: molding resin material is packed, to be put in storage storage.
Preferably, first slow rear fast principle should be deferred to by nitrogen protection Gas Stirring in the step 2, avoided out
Now quickly agitation.
Preferably, in the reaction process of the step 3, reflux dimethylbenzene, which obtains additional amount, influences rate of water loss, and flow back diformazan
Benzene dosage improves, although regurgitant volume can be increased, also reduces reaction temperature simultaneously, therefore the dimethylbenzene dosage that flows back does not surpass generally
8% is crossed, and as reaction carries out, when the rate of output water reduces, gradually to release some reflux dimethylbenzene, to improve temperature,
Allow to further reaction be promoted to carry out.
Preferably, the step 4 is when keeping temperature to be heated, depending on holding temperature and time are with formula, and
And it is related with oil product and oil content.
Preferably, the polyesterification reaction of the step 3 will pay close attention to the rate of output water and water yield, and sample in required time,
Measure acid value and viscosity.
Preferably, the dilution mixing time of the step 5 is 0.5h, and temperature maintains to be filtered in 65 DEG C.
Compared with prior art, the present invention provides a kind of forming method of resin, have it is following the utility model has the advantages that
The forming method of resin of the present invention pass through Step 1: Step 2: Step 3: Step 4: step 5 and step 6 into
Row effectively preparation, consequently facilitating resin preparation forming, and formed in preparation process in resin, pass through six step systems in this way
It is standby, so that the working efficiency of preparation is improved, and in polyesterification reaction, it is connected by the molecular structure of reinforcing agent, so that having
Effect changes molecule connection type, so that resin when artificial synthesized formation, has good bending strength and compression
Intensity, mechanical property and weatherability are changed, and have good market competition dynamics.
Specific embodiment
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution:
A kind of forming method of resin, the forming step of resin are as follows:
Step 1: choosing resin and form material, and it includes: phthalic anhydride, glycerol, oil that wherein Albertol, which synthesizes material,
Acid, diluted solvent, reflux dimethylbenzene and reinforcing agent.
Step 2: the phthalic anhydride of selection, glycerol, oleic acid, reflux dimethylbenzene and reinforcing agent are passed through into metering respectively
Device, which is added in reaction kettle, to be chemically reacted, and is inputted during the reaction by external nitrogen device, thus anti-
It answers and forms antioxygen protection inside kettle, be passed through after nitrogen in this way, start to mix slowly inside reaction kettle.
Step 3: during the reaction, being heated by external heating device, so that on reaction kettle internal temperature
It rises, in this way by external heating device, so that temperature is slowly brought up to 180 DEG C in 2h, and 1h is kept the temperature, so that warm
Degree maintains 180 DEG C, later by heating device, so that reaction kettle internal temperature is warming up in 210 DEG C in 2h, and ties up
Hold heat preservation 2h.
Step 4: being manually sampled, and is reached by sampling survey acid value and viscosity is sticked when acid value of sampling reaches 10mgKOH/g
Degree (Gardner-Holdt bubble tube) reaches 10s, then stops heating, if not reaching, continues to keep temperature, carries out repetition measurement every 0.5h, thus
Until reaching requirement.
Step 5: diluted solvent is added later and is stirred dilution, later by filtering and detection.
Step 6: molding resin material is packed, to be put in storage storage.It is formed in preparation process in resin, people
Member is prepared by six steps, so that the working efficiency of preparation is improved, and in polyesterification reaction, pass through reinforcing agent
Molecular structure connection, so that effectively molecule connection type is changed, so that resin when artificial synthesized formation, has very
Good bending strength and compressive strength, mechanical property and weatherability are changed, and have good market competition dynamics.
Further, first slow rear fast principle should be deferred to by nitrogen protection Gas Stirring in step 2, avoided the occurrence of fast
Speed agitation.It is protected in step 2 addition nitrogen gas, so that avoiding internal gas from carrying out participation reaction, and stirring is deferred to
Fast principle, avoids the occurrence of quick agitation after first slow, makes that polymerization is steady, goes on smoothly reaction in this way, so that polymerizeing quality
It is guaranteed.
Further, in the reaction process of step 3, reflux dimethylbenzene, which obtains additional amount, influences rate of water loss, and reflux dimethylbenzene is used
Amount improves, although regurgitant volume can be increased, also reduces reaction temperature simultaneously, therefore the dimethylbenzene dosage that flows back is usually no more than
8%, and as reaction carries out, when the rate of output water reduces, gradually to release some reflux dimethylbenzene is made with improving temperature
Obtaining can further promote reaction to carry out.In this way during reaction, added by the control to reflux dimethylbenzene, so as to
To control regurgitant volume state well, allows to effectively carry out reaction controlling, passes through the control amount of reflux dimethylbenzene in this way,
So that the effectively whole reaction of control carries out, so that more convenient when producing preparation.
Further, step 4 is when keeping temperature to be heated, depending on holding temperature and time are with formula, Er Qieyu
Oil product is related with oil content.When preparation, by keeping temperature to be heated, so that effectively guaranteeing the abundant of internal-response
It completes, so that there is certain difference in surface, so that depending on preparation is more efficient, and holding temperature and time are with formula, and
It is and related with oil product and oil content, so as to can be very good to carry out manual control, so that more increasing when controlling preparation
Effect.
Further, the polyesterification reaction of step 3 will pay close attention to the rate of output water and water yield, and sample in required time, measurement
Acid value and viscosity.In this way in production preparation, it can be very good to obtain pet reaction state by the rate of output water and water yield, from
And controlled convenient for personnel, and sample in required time, acid value and viscosity are measured, consequently facilitating control is adjusted in personnel,
It is convenient for preparing.
Further, the dilution mixing time of step 5 is 0.5h, and temperature maintains to be filtered in 65 DEG C.It is preparing in this way
It is more convenient efficient when letdown resin, and the resin temperature prepared is maintained and is filtered in 65 DEG C, is allowed to
Filtering inner material well, and be convenient for filtering, so that whole resin quality is improved.
The working principle of the invention and process for using: a kind of forming method of resin of the present invention, the forming step of resin
It is as follows:
Step 1: choosing resin and form material, and it includes: phthalic anhydride, glycerol, oil that wherein Albertol, which synthesizes material,
Acid, diluted solvent, reflux dimethylbenzene and reinforcing agent.
Step 2: the phthalic anhydride of selection, glycerol, oleic acid, reflux dimethylbenzene and reinforcing agent are passed through into metering respectively
Device, which is added in reaction kettle, to be chemically reacted, and is inputted during the reaction by external nitrogen device, thus anti-
It answers and forms antioxygen protection inside kettle, be passed through after nitrogen in this way, start to mix slowly inside reaction kettle.
Step 3: during the reaction, being heated by external heating device, so that on reaction kettle internal temperature
It rises, in this way by external heating device, so that temperature is slowly brought up to 180 DEG C in 2h, and 1h is kept the temperature, so that warm
Degree maintains 180 DEG C, later by heating device, so that reaction kettle internal temperature is warming up in 210 DEG C in 2h, and ties up
Hold heat preservation 2h.
Step 4: being manually sampled, and is reached by sampling survey acid value and viscosity is sticked when acid value of sampling reaches 10mgKOH/g
Degree (Gardner-Holdt bubble tube) reaches 10s, then stops heating, if not reaching, continues to keep temperature, carries out repetition measurement every 0.5h, thus
Until reaching requirement.
Step 5: diluted solvent is added later and is stirred dilution, later by filtering and detection.
Step 6: molding resin material is packed, to be put in storage storage.It is carried out in this way by six steps effective
Preparation, consequently facilitating resin preparation forming, and in polyesterification reaction, it is connected by the molecular structure of reinforcing agent, so that effectively
Change molecule connection type so that resin is when artificial synthesized formation, have good bending strength and compression strong
Degree, mechanical property and weatherability are changed, and have good market competition dynamics.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of forming method of resin, it is characterised in that: the forming step of the resin is as follows:
Step 1: choose resin formed material, wherein Albertol synthesize material include: phthalic anhydride, glycerol, oleic acid,
Diluted solvent, reflux dimethylbenzene and reinforcing agent；
Step 2: the phthalic anhydride of selection, glycerol, oleic acid, reflux dimethylbenzene and reinforcing agent are passed through into metering device respectively
It is added in reaction kettle and is chemically reacted, is inputted during the reaction by external nitrogen device, thus in reaction kettle
Inside forms antioxygen protection, is passed through after nitrogen in this way, starts to mix slowly inside reaction kettle；
Step 3: during the reaction, being heated by external heating device, so that reaction kettle internal temperature rises,
In this way by external heating device, so that temperature is slowly brought up to 180 DEG C in 2h, and 1h is kept the temperature, so that temperature is tieed up
It holds at 180 DEG C, later by heating device, so that reaction kettle internal temperature is warming up in 210 DEG C in 2h, and maintains to protect
Warm 2h；
Step 4: being manually sampled, and surveys acid value by sampling and reaches and viscosity, when acid value of sampling reaches 10mgKOH/g, viscosity
(Gardner-Holdt bubble tube) reaches 10s, then stops heating, if not reaching, continues to keep temperature, repetition measurement is carried out every 0.5h, thus directly
Reach requirement；
Step 5: diluted solvent is added later and is stirred dilution, later by filtering and detection；
Step 6: molding resin material is packed, to be put in storage storage.
2. a kind of forming method of resin according to claim 1, it is characterised in that: protected in the step 2 by nitrogen
Shield Gas Stirring should defer to first slow rear fast principle, avoid the occurrence of quick agitation.
3. a kind of forming method of resin according to claim 1, it is characterised in that: the reaction process of the step 3
In, reflux dimethylbenzene, which obtains additional amount, influences rate of water loss, and reflux dimethylbenzene dosage improves, although regurgitant volume can be increased, simultaneously
Reaction temperature is also reduced, therefore the dimethylbenzene dosage that flows back is usually no more than 8%, and as reaction carries out, works as the rate of output water
When reduction, some reflux dimethylbenzene are gradually released, to improve temperature, allow to further reaction be promoted to carry out.
4. a kind of forming method of resin according to claim 1, it is characterised in that: the step 4 keep temperature into
When row heating, depending on holding temperature and time are with formula, and also it is related with oil product and oil content.
5. a kind of forming method of resin according to claim 1, it is characterised in that: the polyesterification reaction of the step 3
The rate of output water and water yield are paid close attention to, and is sampled in required time, acid value and viscosity are measured.
6. a kind of forming method of resin according to claim 1, it is characterised in that: when the dilution stirring of the step 5
Between be 0.5h, temperature maintains to be filtered in 65 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705568.6A CN110511363A (en) | 2019-08-01 | 2019-08-01 | A kind of forming method of resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705568.6A CN110511363A (en) | 2019-08-01 | 2019-08-01 | A kind of forming method of resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110511363A true CN110511363A (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910705568.6A Pending CN110511363A (en) | 2019-08-01 | 2019-08-01 | A kind of forming method of resin |
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Citations (6)
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| MD20060164A (en) * | 2006-06-23 | 2008-01-31 | Svetlana Bordian | Process for obtaining paintwork material on alkyd base |
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| CN102993925A (en) * | 2012-10-12 | 2013-03-27 | 张家港市永法涂料有限公司 | Air-drying type alkyd resin paint with high solid content and preparation method ofe air-drying type alkyd resin paint |
| CN103694463A (en) * | 2013-12-02 | 2014-04-02 | 安庆菱湖涂料有限公司 | Preparation method of soya alkyd resin |
| CN105037696A (en) * | 2015-08-12 | 2015-11-11 | 安徽菱湖漆股份有限公司 | Preparation method of alkyd resin for self-drying coating modified by tall oil acid |
| CN106750215A (en) * | 2016-12-21 | 2017-05-31 | 中国林业科学研究院林产化学工业研究所 | A kind of unsaturated polyester (UP) biological nano hybrid resin and its synthetic method and application |
-
2019
- 2019-08-01 CN CN201910705568.6A patent/CN110511363A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD20060164A (en) * | 2006-06-23 | 2008-01-31 | Svetlana Bordian | Process for obtaining paintwork material on alkyd base |
| CN101506267A (en) * | 2006-06-27 | 2009-08-12 | 沙伯基础创新塑料知识产权有限公司 | Weatherable, thermostable polymers having improved flow composition |
| CN102993925A (en) * | 2012-10-12 | 2013-03-27 | 张家港市永法涂料有限公司 | Air-drying type alkyd resin paint with high solid content and preparation method ofe air-drying type alkyd resin paint |
| CN103694463A (en) * | 2013-12-02 | 2014-04-02 | 安庆菱湖涂料有限公司 | Preparation method of soya alkyd resin |
| CN105037696A (en) * | 2015-08-12 | 2015-11-11 | 安徽菱湖漆股份有限公司 | Preparation method of alkyd resin for self-drying coating modified by tall oil acid |
| CN106750215A (en) * | 2016-12-21 | 2017-05-31 | 中国林业科学研究院林产化学工业研究所 | A kind of unsaturated polyester (UP) biological nano hybrid resin and its synthetic method and application |
Non-Patent Citations (1)
| Title |
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| 王渴望，等: "水型醇酸树脂的合成及改性研究进展", 《涂料技术与文摘》 * |
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Application publication date: 20191129 |