CN101168589B - Technique for producing resin - Google Patents
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- CN101168589B CN101168589B CN2007100260545A CN200710026054A CN101168589B CN 101168589 B CN101168589 B CN 101168589B CN 2007100260545 A CN2007100260545 A CN 2007100260545A CN 200710026054 A CN200710026054 A CN 200710026054A CN 101168589 B CN101168589 B CN 101168589B
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Abstract
The invention relates to a production process for novel resin; the invention is characterized in that the novel resin is prepared with acrylaldehyde and vinyl ethl ether through the condensation reaction. The novel resin consists of high polymers of heteropoly olefin ether and aldehyde and other substances and an amount of EOHP, and is a pyrane alkyl ether antibacterial body, the high polymers and the EOHP are the only antibacterial functional groups only including three elements of charcoal (C), hydrogen (H), and oxygen (O) but not including halogen in the world, and the high polymers and the EOHP can be decomposed by organism in the environment, when the surface of the novel resin is contacted with air, the adhesive aggregation of microorganism forms a so-called biological membrane. Antibacterial alkyl ether on the resin layer surface can penetrate through the cell wall of the 1.8 mm biological membrane within 20 minutes to be combined with amino acid, so that the microorganism cannot ingest nutrient and eliminate waste. The novel resin obtained by the production process of the invention has long lasting antibacterial function. The sterilizing effect of the antibacterial group of the novel resin is very quick, and the sterilizing rate of average 2 to 5 hours can reach above 99 percent.
Description
Technical field
The present invention relates to a kind of new type resin production technique with antibacterial and mouldproof characteristic.
Background technology
In the last thirty years, people have carried out a large amount of research to the anti-microbial property of resin.At aspects such as the characteristic that forms antibacterial resin, mechanism, modifications, all obtained a lot of great breakthroughs, present research is applied in to two aspect development: the one, in the base material of resin, add the stripping property sterilant, by discharging effective antibiotic composition, thereby reach antibacterial effect.Wherein inorganic antibacterial material such as silver are ion, photocatalyst (nano-TiO
2) wait and obtained swift and violent development and increasingly extensive application.Yet the stripping of antimicrobial factors is a kind of simple diffusion, and its kinetic factor is difficult to control.After antiseptic-germicide a large amount of release in early stage, component reduces greatly, and long-term effect is not good, and costs an arm and a leg, resource-constrained, complex manufacturing.And the irregularity of over-all properties.Also all limited applying of it greatly.The 2nd, people pass through the method for organic polymer modification, combination organic anti-bacterial functional group on the monomer of resin.The chemical bond linkage of antibacterial group and resin monomer.Directly the bacterium that sticks to resin surface is had an effect, reach antibacterial effect.The antimicrobial technology of this molecule assembling has obtained attention both domestic and external.Wherein antibacterial matrices is widely used at plastics and fiber industry, at present, the researchist finds in several ways in resin base material both at home and abroad, the antiseptic-germicide of introducing one or more can be brought into play the advantage of different antiseptic-germicides, increase antibacterial range, improve antimicrobial efficiency, become one of research direction from now on.
Although the research application of antibacterial resin both domestic and external has obtained a lot of great breakthroughs, all be summed up as the composite of anti-biotic material and resin and integration, still, up to now, still find no the resin of clear and definite anti-microbial effect in the world.
Summary of the invention
Technical problem to be solved by this invention is at the deficiencies in the prior art, and a kind of new type resin production method with long acting antibiotic fungicidal properties is provided.
Technical problem to be solved by this invention is to realize by following technical scheme.The present invention is a kind of production technique of new type resin, is characterized in, it is by propenal (CH
2=CHCHO) with ethyl vinyl ether (CH
2=CHOC
2H
5) make through condensation reaction.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production technique of above-described a kind of new type resin is characterized in, the production stage of its condensation reaction is as follows:
(1) ethyl vinyl ether is added the condensation still, then catalyzer zinc salt or aluminium salt are dropped in the still, start stirring, again propenal is dropped into the condensation still, valve-off after feeding intake, simultaneously, the chuck of condensation still heats with hot water, slowly heat up, and the condenser of condensation still top cooled off, solution is refluxed, when temperature rise to 60 in the condensation still-65 ℃, stop heating, be cooled to and material be evacuated in the still pot after being lower than 30 ℃;
(2) material that obtains carry out air distillation to 230-240 ℃, open the storage tank valve of still kettle top, in still kettle, drop into the blocking-up resin, after the congruent melting, collection is lower than all fractions of 240 ℃, gets byproduct 2-oxyethyl group-3,4-dihydropyrane first product and drops into storage tank; With discharging after being retained in superpolymer in the still kettle and being cooled to 200 ℃ naturally, promptly.
Produce (assorted polyenoid ether aldehyde etc.) superpolymer by propenal and ethyl vinyl ether condensation reaction and make, its reaction formula and flow process are as follows:
Technical problem to be solved by this invention can also further realize by following technical scheme.The production technique of above-described a kind of new type resin is characterized in, the production stage of its condensation reaction is as follows:
(1) ethyl vinyl ether is added the condensation still, then catalyzer zinc salt or aluminium salt are dropped in the still, start stirring, again propenal is dropped into the condensation still, valve-off after feeding intake, simultaneously, the chuck of condensation still heats with hot water, slowly heat up, and the condenser of condensation still top cooled off, solution is refluxed, when temperature rise to 65 in the condensation still ℃, stop heating, material is evacuated in the still pot after being cooled to 25 ℃;
(2) material that obtains is carried out air distillation to 240 ℃, open the storage tank valve of still kettle top, in still kettle, drop into the blocking-up resin, after the congruent melting, collection is lower than all fractions of 240 ℃, gets byproduct 2-oxyethyl group-3,4-dihydropyrane first product and drops into storage tank; With discharging after being retained in superpolymer in the still kettle and being cooled to 200 ℃ naturally, promptly.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production technique of above-described a kind of new type resin is characterized in, described blocking-up resin is the toluene acetaldehyde resin.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production technique of above-described a kind of new type resin is characterized in, described zinc salt is zinc chloride (ZnCl
2) or zinc bromide (BrCl
2).
Technical problem to be solved by this invention can also further realize by following technical scheme.The production technique of above-described a kind of new type resin is characterized in, in step (1), when the condenser above the condensation still was cooled off, heat-eliminating medium was an icy salt solution.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production technique of above-described a kind of new type resin is characterized in, the mole ratio of raw material propylene aldehyde and ethyl vinyl ether is 1:1.05-1.15.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production technique of above-described a kind of new type resin is characterized in, the mole ratio of raw material propylene aldehyde, ethyl vinyl ether and catalyzer is 1:1.05-1.15:0.010-0.020.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production technique of above-described a kind of new type resin is characterized in, the mole ratio of raw material propylene aldehyde, ethyl vinyl ether and catalyzer is 1:1.10:0.015.
Technical problem to be solved by this invention can also further realize by following technical scheme.The production technique of above-described a kind of new type resin is characterized in, the weight of input blocking-up resin accounts for 6-10% of propenal, ethyl vinyl ether and catalyzer total amount.
Among the present invention, when being catalyzer with the zinc chloride, the ratio of components of condensation reaction and resin yield such as following table:
New type resin of the present invention is produced with disclosed equipment configuration applicatory in the prior art by production technique disclosed by the invention, also can produce by the disclosed equipment of another patent of contriver's application, and its application number is 200620126742.X.Production technique disclosed in this invention is simple, and flow process is short, and easy and simple to handle, technological process is scientific and reasonable.
Antimicrobial characteristic and physico-chemical property about new type resin of the present invention.
1, new type resin fungus and mildew resistance principle.
There is a certain amount of (EOHP) in the superpolymer of materials such as assorted polyenoid ether aldehyde and the component, form the antibiotic body of class pyrans alkyl oxide through high temperature polymerization, they be in the world unique contain charcoal (C) hydrogen (H) oxygen (O) element and not halogen-containing antibacterial group, can be in environment by biological decomposition, when the surface of new type resin contacts with air, microorganic adhesion is assembled and is formed so-called microbial film.The antibiotic alkyl oxide of resin aspect just can penetrate 1.8mm microbial film cell walls in 20 minutes, combine with amino acid, made that microorganism can't derive nutrients and eliminating refuse.The new type resin that production technique of the present invention obtains has long-acting sustained antibacterial function.Its whole group all is made up of antibiotic alkyl oxide, can constantly enter in the microbe, decomposes with its amino acid to combine, thereby kills thalline.The antibiotic group sterilization effect of new type resin is very fast, and average 2-5 hour sterilizing rate can reach more than 99%.
2, the physico-chemical property of new type resin.
The new type resin that production technique of the present invention is produced can exist with solid and liquid two states.
Solid resin: the outward appearance tawny, transparent sheet-like, tough and flexible, softening temperature 90-120 ℃, about 135 ℃ of fusing points, about 230 ℃ of decomposition temperatures, ash content 0.01.
Liquid resin: outward appearance is brown yellow transparent liquid, and it is faint yellow to film, and is good with multiple base material sticking power; Proportion 0.98, solid content 50%, gloss (60 ℃ of unit values): 95, hardness 2H, anti-impact force: 50 kilograms, snappiness: 1 grade, fast drying, favorable chemical resistance, levelling property and opacifying power are arranged; Can be compatible with most of binder resins of coating, also can be total to molten with fat, ketone, ether, alcohol, aromatic hydrocarbons, aliphatic hydrocarbon equal solvent.See Appendix 2: national coating quality is supervised inspection center: the detected result of examining report code T WO07220-7W1.
3: the eco-toxicity of new type resin.
Detect through Jiangsu Prov. Disease Preventing and Controlling Center, do not have any eco-toxicity.
New type resin of the present invention also has the starting material aboundresources that is easy to get, advantage such as technical maturity, cost value are low, easy processing.Can be extended to industry-by-industry fields such as building materials, plastics, control fiber, coating, packing, daily necessities, household electrical appliance, health care rapidly.Promote the development process of domestic and international anti-biotic material and antibiotic industry greatly.Health care and people's daily life are combined together, and big to the Population Flow amount especially, the national conditions that the health care task is heavy are implemented the principles and policies with " putting prevention first ", will produce huge and far-reaching political significance and economic worth.
The long-acting mould-proof performance of new type resin of the present invention also will make the disagreeable mould that wreaks havoc human thousands of years, fade away in life, promote people's quality of life.
Embodiment.
Further concrete technology implementation scheme of the present invention is described below,, and does not constitute restriction right of the present invention so that those skilled in the art further understand the present invention.
Example 1.A kind of production technique of new type resin, it makes through condensation reaction by propenal and ethyl vinyl ether.
Embodiment 2.A kind of production technique of new type resin, it makes through condensation reaction by propenal and ethyl vinyl ether, and the production stage of its condensation reaction is as follows:
(1) ethyl vinyl ether is added the condensation still, then catalyzer zinc salt or aluminium salt are dropped in the still, start stirring, again propenal is dropped into the condensation still, valve-off after feeding intake, simultaneously, the chuck of condensation still heats with hot water, slowly heat up, and the condenser of condensation still top cooled off, solution is refluxed, when temperature rise to 60 in the condensation still ℃, stop heating, be cooled to and material be evacuated in the still pot after being lower than 30 ℃;
(2) material that obtains is carried out air distillation to 230 ℃, open the storage tank valve of still kettle top, in still kettle, drop into the blocking-up resin, after the congruent melting, collection is lower than all fractions of 240 ℃, gets byproduct 2-oxyethyl group-3,4-dihydropyrane first product and drops into storage tank; With discharging after being retained in superpolymer in the still kettle and being cooled to 200 ℃ naturally, promptly.
Embodiment 3.A kind of production technique of new type resin, it makes through condensation reaction by propenal and ethyl vinyl ether, and the production stage of its condensation reaction is as follows:
(1) ethyl vinyl ether is added the condensation still, then catalyzer zinc salt or aluminium salt are dropped in the still, start stirring, again propenal is dropped into the condensation still, valve-off after feeding intake, simultaneously, the chuck of condensation still heats with hot water, slowly heat up, and the condenser of condensation still top cooled off, solution is refluxed, when temperature rise to 65 in the condensation still ℃, stop heating, material is evacuated in the still pot after being cooled to 25 ℃;
(2) material that obtains is carried out air distillation to 240 ℃, open the storage tank valve of still kettle top, in still kettle, drop into the blocking-up resin, after the congruent melting, collection is lower than all fractions of 240 ℃, gets byproduct 2-oxyethyl group-3,4-dihydropyrane first product and drops into storage tank; With discharging after being retained in superpolymer in the still kettle and being cooled to 200 ℃ naturally, promptly.
Embodiment 4.A kind of production technique of new type resin, it makes through condensation reaction by propenal and ethyl vinyl ether, and the production stage of its condensation reaction is as follows:
(1) ethyl vinyl ether is added the condensation still, then catalyzer zinc salt or aluminium salt are dropped in the still, start stirring, again propenal is dropped into the condensation still, valve-off after feeding intake, simultaneously, the chuck of condensation still heats with hot water, slowly heat up, and the condenser of condensation still top cooled off, solution is refluxed, when temperature rise to 62 in the condensation still ℃, stop heating, material is evacuated in the still pot after being cooled to 28 ℃;
(2) material that obtains is carried out air distillation to 235 ℃, open the storage tank valve of still kettle top, in still kettle, drop into the blocking-up resin, after the congruent melting, collection is lower than all fractions of 240 ℃, gets byproduct 2-oxyethyl group-3,4-dihydropyrane first product and drops into storage tank; With discharging after being retained in superpolymer in the still kettle and being cooled to 200 ℃ naturally, promptly.
Embodiment 5.A kind of production technique of new type resin, it makes through condensation reaction by propenal and ethyl vinyl ether, and the production stage of its condensation reaction is as follows:
(1) ethyl vinyl ether is added the condensation still, then catalyzer zinc salt or aluminium salt are dropped in the still, start stirring, again propenal is dropped into the condensation still, valve-off after feeding intake, simultaneously, the chuck of condensation still heats with hot water, slowly heat up, and the condenser of condensation still top cooled off, solution is refluxed, when temperature rise to 64 in the condensation still ℃, stop heating, material is evacuated in the still pot after being cooled to 28 ℃;
(2) material that obtains is carried out air distillation to 238 ℃, open the storage tank valve of still kettle top, in still kettle, drop into the blocking-up resin, after the congruent melting, collection is lower than all fractions of 240 ℃, gets byproduct 2-oxyethyl group-3,4-dihydropyrane first product and drops into storage tank; With discharging after being retained in superpolymer in the still kettle and being cooled to 200 ℃ naturally, promptly.
Embodiment 6.A kind of production technique of new type resin, it makes through condensation reaction by propenal and ethyl vinyl ether, and the production stage of its condensation reaction is as follows:
(1) ethyl vinyl ether is added the condensation still, then catalyzer zinc salt or aluminium salt are dropped in the still, start stirring, again propenal is dropped into the condensation still, valve-off after feeding intake, simultaneously, the chuck of condensation still heats with hot water, slowly heat up, and the condenser of condensation still top cooled off, solution is refluxed, when temperature rise to 63 in the condensation still ℃, stop heating, material is evacuated in the still pot after being cooled to 15 ℃;
(2) material that obtains is carried out air distillation to 232 ℃, open the storage tank valve of still kettle top, in still kettle, drop into the blocking-up resin, after the congruent melting, collection is lower than all fractions of 240 ℃, gets byproduct 2-oxyethyl group-3,4-dihydropyrane first product and drops into storage tank; With discharging after being retained in superpolymer in the still kettle and being cooled to 200 ℃ naturally, promptly.
Embodiment 7.A kind of production technique of new type resin, it makes through condensation reaction by propenal and ethyl vinyl ether, and the production stage of its condensation reaction is as follows:
(1) ethyl vinyl ether is added the condensation still, then catalyzer zinc salt or aluminium salt are dropped in the still, start stirring, again propenal is dropped into the condensation still, valve-off after feeding intake, simultaneously, the chuck of condensation still heats with hot water, slowly heat up, and the condenser of condensation still top cooled off, solution is refluxed, when temperature rise to 61 in the condensation still ℃, stop heating, be cooled to and material be evacuated in the still pot after being lower than 30 ℃;
(2) material that obtains is carried out air distillation to 236 ℃, open the storage tank valve of still kettle top, in still kettle, drop into the blocking-up resin, after the congruent melting, collection is lower than all fractions of 240 ℃, gets byproduct 2-oxyethyl group-3,4-dihydropyrane first product and drops into storage tank; With discharging after being retained in superpolymer in the still kettle and being cooled to 200 ℃ naturally, promptly.
Embodiment 8.In the production technique of any one described new type resin of embodiment 2-7, described blocking-up resin is the toluene acetaldehyde resin.
Embodiment 9.In the production technique of any one described new type resin of embodiment 2-8, described zinc salt is a zinc chloride.
Embodiment 10.In the production technique of any one described new type resin of embodiment 2-8, described zinc salt is a zinc bromide.
Embodiment 11.In the production technique of any one described new type resin of embodiment 1-10, the mole ratio of raw material propylene aldehyde and ethyl vinyl ether is 1:1.05.
Embodiment 12.In the production technique of any one described new type resin of embodiment 1-10, the mole ratio of raw material propylene aldehyde and ethyl vinyl ether is 1:1.15.
Embodiment 13.In the production technique of any one described new type resin of embodiment 1-10, the mole ratio of raw material propylene aldehyde and ethyl vinyl ether is 1:1.10.
Embodiment 14.In the production technique of any one described new type resin of embodiment 1-10, the mole ratio of raw material propylene aldehyde and ethyl vinyl ether is 1:1.08.
Embodiment 15.In the production technique of any one described new type resin of embodiment 1-10, the mole ratio of raw material propylene aldehyde and ethyl vinyl ether is 1:1.12.
Embodiment 16.In the production technique of any one described new type resin of embodiment 2-10, the mole ratio of raw material propylene aldehyde, ethyl vinyl ether and catalyzer is 1:1.05:0.010.
Embodiment 17.In the production technique of any one described new type resin of embodiment 2-10, the mole ratio of raw material propylene aldehyde, ethyl vinyl ether and catalyzer is 1:1.15:0.020.
Embodiment 18.In the production technique of any one described new type resin of embodiment 2-10, the mole ratio of raw material propylene aldehyde, ethyl vinyl ether and catalyzer is 1:1.10:0.015.
Embodiment 19.In the production technique of any one described new type resin of embodiment 2-10, the mole ratio of raw material propylene aldehyde, ethyl vinyl ether and catalyzer is 1:1.07:0.012.
Embodiment 20.In the production technique of any one described new type resin of embodiment 2-10, the mole ratio of raw material propylene aldehyde, ethyl vinyl ether and catalyzer is 1:1.13:0.018.
Embodiment 21.In the production technique of any one described new type resin of embodiment 2-20, the weight of input blocking-up resin accounts for 6% of propenal, ethyl vinyl ether and catalyzer total amount.
Embodiment 22.In the production technique of any one described new type resin of embodiment 2-20, the weight of input blocking-up resin accounts for 10% of propenal, ethyl vinyl ether and catalyzer total amount.
Embodiment 23.In the production technique of any one described new type resin of embodiment 2-20, the weight of input blocking-up resin accounts for 8% of propenal, ethyl vinyl ether and catalyzer total amount.
Embodiment 24.In the production technique of any one described new type resin of embodiment 2-20, the weight of input blocking-up resin accounts for 7% of propenal, ethyl vinyl ether and catalyzer total amount.
Embodiment 25.In the production technique of any one described new type resin of embodiment 2-20, the weight of input blocking-up resin accounts for 8.5% of propenal, ethyl vinyl ether and catalyzer total amount.
Embodiment 26.In the production technique of any one described new type resin of embodiment 2-25, in step (1), when the condenser above the condensation still was cooled off, heat-eliminating medium was an icy salt solution.
Example 27.A kind of production technique of new type resin, it makes through condensation reaction by propenal and ethyl vinyl ether, and its condensation reaction concrete steps are as follows:
(1) 150 kilograms of ethyl vinyl ethers is dropped into the 500 liter condensation stills from the ethyl vinyl ether scale tank, again 2.2 kilograms of zinc chloride are dropped in the still, start stirring, then 130 kilograms of propenal are dropped into condensation still (adopting slow continuously feeding mode) from scale tank.Fasten valve, the chuck hot water heating slowly heats up, and is installed in the condenser of condensation still top, with the icy salt solution cooling, solution is refluxed.When interior temperature is warming up to 65 ℃, stop heating, be cooled to normal temperature (25 ℃) material is evacuated in the still kettle.About 6 hours of whole condensation reaction.
(2) material in the still is carried out stably air distillation to 180 ℃ after, be rapidly heated to 240 ℃, open the storage tank valve of still kettle top, 28 kilograms of blocking-up resins are dropped in the still kettle, after the congruent melting, all fractions before collecting 240 ℃, suction 2-oxyethyl group-3,4-dihydropyrane (EOHP) storage tank.In order to after the rectifying, produce medicine intermediate.Be retained in the superpolymer of the materials such as assorted polyenoid ether aldehyde in the still kettle.Stop to heat when being warming up to 240 ℃, be cooled to 200 ℃ of dischargings naturally.Softening temperature reaches 108 ℃ after testing, and is up to standard qualified, the packing warehouse-in.
Example 28.A kind of production technique of new type resin, it makes through condensation reaction by propenal and ethyl vinyl ether, and its condensation reaction concrete steps are as follows:
(1) 300 kilograms of ethyl vinyl ethers are dropped into the 1000 liter condensation stills from the ethyl vinyl ether scale tank, 4.2 kilograms of zinc chloride drop in the still again, start stirring, then 260 kilograms of propenal are dropped into condensation still (adopting slow continuously feeding mode) from scale tank.Fasten valve, the chuck hot water heating slowly heats up, and is installed in the condenser of condensation still top, with the icy salt solution cooling, makes the solution backwash.When interior temperature is warming up to 65 ℃, stop heating, be cooled to normal temperature (25 ℃) material is evacuated in the still kettle.About 8 hours of whole condensation reaction.
(2) material in the still is carried out stably air distillation to 180 ℃ after, be rapidly heated to 240 ℃, open the storage tank valve of still kettle top, 56 kilograms of blocking-up resins are dropped in the still kettle, after the congruent melting, all fractions before collecting 240 ℃, suction 2-oxyethyl group-3,4-dihydropyrane (EOHP) storage tank.In order to after the rectifying, produce medicine intermediate.Be retained in the superpolymer of the materials such as assorted polyenoid ether aldehyde in the still kettle.Stop to heat when being warming up to 240 ℃, be cooled to 200 ℃ of dischargings naturally.Softening temperature reaches 95 ℃ after testing, and is up to standard qualified, the packing warehouse-in.
Claims (7)
1. the production technique of a new type resin is characterized in that, it makes through condensation reaction by propenal and ethyl vinyl ether, and the production stage of its condensation reaction is as follows:
(1) ethyl vinyl ether is added the condensation still, then catalyzer zinc salt or aluminium salt are dropped in the still, start stirring, again propenal is dropped into the condensation still, valve-off after feeding intake, simultaneously, the chuck of condensation still heats with hot water, slowly heat up, and the condenser of condensation still top cooled off, solution is refluxed, when temperature rise in the condensation still during to 60-65 ℃, stop heating, be cooled to and material be evacuated in the still pot after being lower than 30 ℃;
(2) material that obtains is carried out air distillation to 230-240 ℃, open the storage tank valve of still kettle top, in still kettle, drop into the blocking-up resin, after the congruent melting, collection is lower than all fractions of 240 ℃, gets byproduct 2-oxyethyl group-3, and 4-dihydropyrane first product also drops into storage tank; With discharging after being retained in superpolymer in the still kettle and being cooled to 200 ℃ naturally, promptly;
The mole ratio of raw material propylene aldehyde, ethyl vinyl ether and catalyzer is 1: 1.05-1.15: 0.010-0.020.
2. the production technique of a kind of new type resin according to claim 1 is characterized in that, the production stage of its condensation reaction is as follows:
(1) ethyl vinyl ether is added the condensation still, then catalyzer zinc salt or aluminium salt are dropped in the still, start stirring, again propenal is dropped into the condensation still, valve-off after feeding intake, simultaneously, the chuck of condensation still heats with hot water, slowly heat up, and the condenser of condensation still top cooled off, solution is refluxed, when temperature rise to 65 in the condensation still ℃, stop heating, material is evacuated in the still pot after being cooled to 25 ℃;
(2) material that obtains is carried out air distillation to 240 ℃, open the storage tank valve of still kettle top, in still kettle, drop into the blocking-up resin, after the congruent melting, collection is lower than all fractions of 240 ℃, gets byproduct 2-oxyethyl group-3, and 4-dihydropyrane first product also drops into storage tank; With discharging after being retained in superpolymer in the still kettle and being cooled to 200 ℃ naturally, promptly.
3. the production technique of a kind of new type resin according to claim 1 and 2 is characterized in that, described blocking-up resin is the toluene acetaldehyde resin.
4. the production technique of a kind of new type resin according to claim 1 and 2 is characterized in that, described zinc salt is zinc chloride or zinc bromide.
5. the production technique of a kind of new type resin according to claim 1 and 2 is characterized in that, in step (1), when the condenser above the condensation still was cooled off, heat-eliminating medium was an icy salt solution.
6. the production technique of a kind of new type resin according to claim 1 and 2 is characterized in that, the mole ratio of raw material propylene aldehyde, ethyl vinyl ether and catalyzer is 1: 1.10: 0.015.
7. the production technique of a kind of new type resin according to claim 1 and 2 is characterized in that, the weight of input blocking-up resin accounts for the 6-10% of propenal, ethyl vinyl ether and catalyzer total amount.
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| CN102260235B (en) * | 2010-06-13 | 2013-08-21 | 徐友志 | Raw material against influenza A virus as well as preparation and coating |
| CN101864240B (en) * | 2010-06-13 | 2012-08-08 | 徐友志 | Self-releasing anti-fouling ship paint suitable for marine environment and preparation method and application thereof |
| CN101864232B (en) * | 2010-06-13 | 2015-07-29 | 徐友志 | The application of new type algae-resisting coating and method for making and storehouse, improvement lake algae water |
| CN103102464B (en) * | 2012-12-20 | 2015-02-04 | 于文明 | Synthetic method for thermal oxidation resistant tackifying resin |
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