CN102337078B - Production process for rosin resin - Google Patents
Production process for rosin resin Download PDFInfo
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- CN102337078B CN102337078B CN 201110189298 CN201110189298A CN102337078B CN 102337078 B CN102337078 B CN 102337078B CN 201110189298 CN201110189298 CN 201110189298 CN 201110189298 A CN201110189298 A CN 201110189298A CN 102337078 B CN102337078 B CN 102337078B
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Abstract
The invention provides a method of preparing rosin ester or modified rosin ester from rosin. The method comprises a preparation step and an esterification step for modified rosin. The invention is characterized by further comprising a refining process for rosin carried out before the esterification step for modified rosin, and the refining process comprises a step of distillation. According to the step of distillation, rosin is placed into a distilling still and heated under vacuum, distilled fractions boiling in a range of 180 to 220 DEG C are collected separately, then main fractions are collected, and refined rosin is obtained after the temperature of rosin reaches 270 DEG C.
Description
Technical field
The present invention relates to a kind ofly prepare the method for rosin derivative, especially a kind of method that is prepared rosin ester by rosin by rosin.
Background technology
The main component of rosin is resinous acid, and there are two active groups in resinous acid: two two keys (perhaps more active conjugated double bond) and a carboxyl.By being carried out the resulting product of chemical reaction with unsaturated compound (such as toxilic acid, vinylformic acid an etc.) Diels-Alder, two keys (or conjugated double bond) are commonly referred to modified rosin, and carboxyl is commonly referred to rosin derivative as the resulting product of reactive group, all modified rosins also can utilize its carboxyl that stays to make various derivatives.Modified rosin mainly contains staybelite, nilox resin, polymerized rosin and maleated rosin, and rosin derivative mainly contains rosin ester class, rosin salt, rosin nitrile and rosin Amine D etc.Wherein maleated rosin as the reinforcement sizing agent on the process industry, also is coating, printing ink, tackiness agent mainly, the main raw material of the industry such as synthetic rubber.Its production method mainly contains two kinds of solvent method and scorifications.
Providing a kind of toxilic acid glycerin abietate modified preparation method among the CN1085929A, is that catalyzer comes the color of aufhellung product and increases the yield of product with basic metal or alkaline earth metal oxide and its esters wherein.A kind of catalytic esterification rosin method is provided among the CN1208061A, and catalyst system therefor is the tin alkyl acids.A kind of method of synthesizing maleated rosin rapidly is provided among the CN1872929A, and what it adopted is the sonochemistry method.A kind of preparation method of high viscosity low softening point Gum Rosin is provided among the CN101649161A.A kind of method of utilizing fumaric acid to produce high-softening-point rosin glyceride then is provided among the CN101818027A.
But in the above-mentioned technique, the purity of raw material rosin is lower, perhaps complicated process of preparation, thus so that the quality product of rosin ester or modified rosin ester does not reach requirement, can't really realize industrialization.
Summary of the invention
For overcoming defects, the invention provides a kind of method that is prepared rosin ester by rosin.
The present invention is achieved through the following technical solutions:
A kind ofly prepare the method for rosin ester by rosin, it is characterized in that, before the esterif iotacation step of rosin, also comprise the treating process of a rosin.
According to the present invention, described preparation method also comprises rosin is carried out modification.The preferred polyprotonic acid that adopts carries out modification.
According to the preferred technical solution of the present invention, described polyprotonic acid is preferably fumaric acid or toxilic acid, more preferably toxilic acid.The temperature of described modifying process is controlled at about 200 ℃.The time of described modifying process is approximately 6 hours.
According to the present invention, described preparation method also comprises the esterification process of rosin.Described step preferably includes: will change esterifying kettle over to through the resin of metering, and add oxidation inhibitor and polyvalent alcohol and carry out esterification, and carry out aftertreatment after esterification is finished and get the rosin ester finished product.
According to the preferred technical solution of the present invention, also comprise modifying process before the esterification process of described rosin.
Preferred concrete technology is as follows:
(4) rosin is refining;
(5) modification of rosin is characterized in that, will change esterifying kettle over to through the resin of metering, adds polyprotonic acid and carries out modification;
(6) esterification of rosin is characterized in that, the rosin after the modification is added polyvalent alcohol carry out esterification, preferably adds antioxidant.
According to the present invention, the polyvalent alcohol that adopts in the described esterification process is preferably glycerine.
According to the present invention, the temperature of described esterification process is controlled between 240-270 ℃.Too low such as temperature, then the speed of esterification is too slow, causes esterification incomplete, affects product acid value and softening temperature, and is too high such as esterification temperature, easily causes polyvalent alcohol cracking and rosin cracking, goes out waste product.
According to the present invention, described method is carried out aftertreatment after also being included in esterification.
According to the preferred technical solution of the present invention, the aftertreatment after the described esterification comprises and passes into steam and/or vacuumize.
According to the present invention, the purification step of described rosin comprises a distilation steps, is about to rosin and adds in the still kettle, heats under vacuum, and wherein 180-220 ℃ the part that distillates is collected separately, then carries out the collection of main fraction.
According to the present invention, described process for purification comprises the part that distillates after collecting 240 ℃.Cut within preferably collecting 270 ℃.
According to the present invention, the distillation temperature of the main fraction of described treating process need be controlled within 270 ℃, such as the too high rosin Pintsch process that then causes easily of temperature, has a strong impact on resin color and softening temperature.
According to the present invention, described treating process specifically comprises:
(1) rosin is pressed into the rosin test tank with nitrogen from the rosin basin, changes after metering still kettle over to, open deep fat the still kettle material is heated up;
(2) and open the vacuum unit, after 180-220 ℃ distilled out part and be collected in separately the foreshot basin, pipeline is switched to main fraction basin begin to carry out main fraction and collect;
(3) reach 270 ℃ to temperature of charge, and observe when distillating without rosin from visor and to close deep fat, close the vacuum unit, nitrogen replacement is entered still kettle and receives still, make resin.
According to the present invention, it is residual that the remainder in still kettle is still, but sell after the barrelling.
According to the present invention, described treating process need keep the reactive system resistance to air loss, and namely reactive system requires high-air-tightness, and not high such as resistance to air loss, air enters and then easily causes the product oxidation, has a strong impact on product colour.
According to the present invention, described concrete preparation technology is as follows:
1, rosin refining flow process
Rosin is pressed into the rosin test tank with nitrogen from the rosin dissolution kettle, change after metering still kettle over to, opening deep fat heats up to the still kettle material, and unlatching vacuum unit, with 180-220 ℃ distill out the part be collected in separately the foreshot basin after, pipeline is switched to main fraction basin begin to carry out main fraction collection, reach 270 ℃ to temperature of charge, and when the visor observation distillates without rosin, close deep fat, close the vacuum unit, nitrogen replacement is entered still kettle and main distillate fraction basin, change the resin that makes over to esterifying kettle and carry out further deep processing.
Simultaneously, it is residual that the remainder in the still kettle is still, sells after the barrelling.
2, rosin esterification flow process
To change esterifying kettle over to through the resin of metering, and add polyprotonic acid and about 200 ℃, carry out modification, adding oxidation inhibitor and glycerine were at 230 ℃-270 ℃ after modification was finished, preferred 240 ℃-260 ℃ are carried out esterification, and described glycerine is stored in the glycerine basin, sends into the glycerine volume pump through the glycerine toothed gear pump and measures, then change esterifying kettle over to, after 6 hours, lead to steam, vacuumize, cool to 200 ℃, add the later stage auxiliary material, change product storage tank over to after stirring.
3, finished product packing
With spiral pump the rosin ester in the finished product basin is squeezed into tablets press continuously, after the granulation and cooling by tablets press, it is granular to become the semicircle sphere, in the Gum Rosin lift is promoted to the product storage tank, for sale by becoming the product pile after sacker's pack.
According to the preferred technical solution of the present invention, the name that described rosin refining process preferably adopts the applicant to submit on June 7th, 2011 is called the patent application of " a kind of rosin refining kettle ", and it is incorporated herein by reference in full.
According to the preferred technical solution of the present invention, described refining kettle comprises round shape pot body, and upper cover and lower cover is characterized in that, this refining kettle comprises the mosquito-repellent incense coil pipe, and described mosquito-repellent incense coil pipe is installed in the lower cover.
According to the present invention, described mosquito-repellent incense coil pipe approaches the bottom of pot body.Preferably, described mosquito-repellent incense coil pipe is apart from lower cover lower-most point inwall 300-400mm, preferred 320-350mm.
According to the present invention, described refining kettle also comprises the heating sinuous coil.Described sinuous coil is installed in the lower cover, preferably near the bottom of a pan, and more preferably apart from lower cover lower-most point inwall 120-200mm, preferred 150-180mm.
According to the present invention, described refining kettle also further comprises outer semicircle heating coil.
According to the present invention, described outer semicircle heating coil is arranged on pot body bottom and the lower cover.Preferably, described outer semicircle heating tube is 300-400mm apart from lower cover lower-most point inside wall height on the pot body, preferred 320-350mm.
According to the present invention, described upper cover is taper.Cone angle is 100-150 °, preferred 120 °, is connected with round shape pot body.Described lower cover is oval, is positioned at the bottom of pot body.
According to the present invention, described upper cover is provided with the rosin opening for feed, is used for connecting the steam outlet of condenser.Described upper cover also further comprises the temp probe installing port.
According to the present invention, described lower cover is oval lower cover.
According to the present invention, described refining kettle bottom also is provided with the residual drain hole of still and the residual baiting valve of still.The residual drain hole of described still and the residual baiting valve of still are located at the lower cover lower-most point, in order to will distill residual all the putting totally of the rear remaining still of end.The residual refining kettle defective material that is of wherein said still.
According to the present invention, described heating sinuous coil and mosquito-repellent incense coil pipe can be for a plurality of, such as 2 or 3.Thereby form respectively heating sinuous coil group and mosquito-repellent incense coil pipe group.
According to the present invention, described sinuous coil and mosquito-repellent incense coil pipe all support with pipe-coiling rack.
According to the present invention, described sinuous coil comprises fuel charging valve and delivery valve.Described mosquito-repellent incense coil pipe comprises fuel charging valve and delivery valve.Described outer semicircle coil pipe comprises fuel charging valve and delivery valve.
According to the preferred technical solution of the present invention, described refining kettle comprises sinuous coil, mosquito-repellent incense coil pipe and outer semicircle coil pipe.The preferred technical scheme according to the present invention, described sinuous coil, mosquito-repellent incense coil pipe and outer semicircle coil pipe are opened simultaneously, preferably open simultaneously each coil pipe oil-feed and fuel-displaced valve.
According to the present invention, described sinuous coil, mosquito-repellent incense coil pipe and outer semicircle coil pipe three cover heating coils all are for heating.The purpose that three cover coil pipes are set is: (1) is in order to strengthen heating-surface area; (2) for by the high-order layout of three cover coil pipes, make the type of heating of rosin more flexible.When the rosin liquid level is high, preferably three cover coil pipes are all opened the souping up heating; And after the rosin liquid level descends, just can heat by furnishing two cover coil pipes (preferred mosquito-repellent incense coil pipe and outer semicircle coil pipe); When the rosin liquid level is very low, then can only open the mosquito-repellent incense coil pipe.When the rosin liquid potential drop is low, close sinuous coil fuel charging valve and delivery valve, stop the circulation of high temperature heat conductive oil in sinuous coil, to reduce cracking and the charing phenomenon of rosin.
According to the present invention, described process for purification also is included under the few situation of the interior rosin of refining kettle, closes sinuous coil fuel charging valve and delivery valve, stops the circulation of high temperature heat conductive oil in sinuous coil, to reduce cracking and the charing phenomenon of rosin.
According to the present invention, described process for purification also further comprises, after the rosin liquid level descends, adopts two cover coil pipe heating, preferably adopts the heating of mosquito-repellent incense coil pipe and outer semicircle coil pipe, and closes sinuous coil.And when the rosin liquid level is very low, then only open the heating of mosquito-repellent incense coil pipe.
According to the present invention, described refining kettle also comprises temp probe, and this temp probe is arranged on the taper upper cover, be used for surveying showing the rosin temperature, and in order to monitor the temperature of material in the refining kettle.
According to the present invention, for guaranteeing rosin refining efficient and purified product quality, refining kettle cylindrical shell aspect ratio (height and diameter ratio) is 0.5-1, is preferably 0.6-0.8, more preferably 0.7-0.75.
According to the present invention, described process for purification also comprises temperature of charge in the employing temp probe monitoring refining kettle.
According to the present invention, show the liquid level of rosin by temp probe.Because the viscosity of rosin is very large, the rosin viscosity that method especially of the present invention obtains is larger, and adopts the instrument of common survey liquid level all can't detect.Therefore the present invention infers the rosin liquid level indirectly by means of the rosin temp probe.When the steam state rosin temperature that monitors when the temp probe of finding to be arranged on condenser steam state rosin ingress descends rapidly, illustrate that rosin is few.At this moment, therefore the liquid level of rosin can finish to make with extra care basically in mosquito-repellent incense coil pipe position substantially.
Rosin refining kettle of the present invention owing to adopted the taper upper cover, has not only reduced the Iinvalid volume of refining kettle, also because of its bell-mouthed shape, steam state rosin is accelerated at steam outlet place flow velocity, has reduced the rosin backflow, and the burden of vacuum pump group is reduced greatly.
The structure of the sinuous coil among the present invention, mosquito-repellent incense coil pipe and outer semicircle coil pipe is the conventional structure of this area, and rosin refining kettle of the present invention, just because of having adopted sinuous coil, mosquito-repellent incense coil pipe and outer semicircle coil pipe three cover heating coils, greatly strengthened the rosin heating area, can effectively control refining kettle cylindrical shell aspect ratio and rosin is heated evenly, avoided rosin because of the not enough rosin refining that causes of local superheating or local heating not exclusively, the phenomenon of rosin cracking, rosin charing, improved yield and the quality product of resin.
In addition, reasonable disposition by three cover coil pipe positions, can also be in treating process according to the height of rosin liquid level, the oil inlet and outlet of unlatching or closed portion coil pipe, cut off the circulation of thermal oil in this coil pipe, reach the more accurate thermal control that adds, thereby so that the utilization ratio of rosin increases greatly, avoided the waste that causes because making with extra care residue rosin.
Adopt preparation method of the present invention, the rosin in the rosin ester that obtains or the modified rosin ester product reaches national superfine rosin standard.Because national standard does not have close with it rank standard, so the applicant generally adopts its product quality of index expression of Gum Rosin.Adopt process for purification of the present invention, the color that obtains the rosin product adopts iron cobalt color ratio color method to detect, and can reach between the 1-2 look.And superfine rosin is with iron cobalt colorimetry, and color is between the 6-7 look, and look is number lower, and grade is higher, and therefore the product that obtains of method of the present invention is far superior to superfine rosin.
According to the present invention, prepared rosin ester or modified rosin ester product can be processed into product by ordinary method as required.For example: with spiral pump the modified rosin resin that makes is squeezed into tablets press continuously, after the granulation and cooling by tablets press, it is granular to make the semicircle sphere, in the Gum Rosin lift is promoted to the product storage tank, by becoming product after sacker's pack.
Description of drawings
Fig. 1: the structural representation that is prepared modified rosin ester by rosin of the present invention.
Fig. 2: the structural representation of rosin refining kettle of the present invention.
The implication of each Reference numeral is as follows:
1: the rosin test tank; 2: still kettle; 3: the front-end volatiles basin; 4: the main distillate fraction basin; 5: refining main condenser; 6: shell-and tube condenser; 7: the glycerine test tank; 8: esterifying kettle; 9: product storage tank; 10: the rosin dissolution kettle; 11: horizontal condenser; 12: vertical (type) condenser; 13: the profit basin; 14: receiver; 15: vacuum buffer tank; 16: vacuum pump; 17: the vacuum unit; 18: spiral cooler; 19: the glycerine basin; 20: the glycerine toothed gear pump.
Wherein the principle of work of condenser is to adopt the water coolant of interlayer, utilizes temperature head transmission; So that gaseous state becomes liquid state.Simultaneously, receiver 14 is used for storing the mixture of waste water and oil.
21. the pot body, 22. temp probe mouths, 23. steam outlets, 24. opening for feeds, 25. the taper upper cover, 26. ear seats, 27. sinuous coil oil outlets, 28. mosquito-repellent incense coil pipe oil outlet, 29. outer semicircle coil pipe oil outlets, 30. sinuous coils, 31. oval lower cover, 32. outer semicircle coil pipe oil-ins, 33. mosquito-repellent incense coil pipe oil-ins, 34. the residual baiting valve of still, the residual drain hole of 35. stills, 36. sinuous coil oil-ins, 37. outer semicircle coil pipe, 38. mosquito-repellent incense coil pipes, 39. coil pipe supporting stands.
Embodiment
The present invention describes the method for preparing modified rosin ester by rosin of the present invention by following embodiment.But those skilled in the art understand, any improvement that the present invention is made or change all within protection scope of the present invention.
Embodiment 1: prepare the glycerin abietate modified method of fumaric acid below in conjunction with Fig. 1 explanation by rosin.
1, rosin refining flow process
Rosin is pressed into rosin test tank 1 with nitrogen from rosin dissolution kettle 10, change after metering still kettle 2 over to, opening deep fat heats up to the still kettle material, and unlatching vacuum unit, with 180-220 ℃ distill out the part be collected in separately foreshot basin 3 after, pipeline is switched to main fraction basin 4 begin to carry out main fraction collection, reach 270 ℃ to temperature of charge, and when distillating without rosin, the visor observation closes deep fat, close the vacuum unit, nitrogen replacement is entered still kettle 2 and receives still, change the resin that makes over to esterifying kettle and carry out further deep processing, it is residual that the interior remainder of still kettle is still, sells after the barrelling.
After making with extra care, obtain the rosin grade and reach national superfine standard.
2, rosin esterification flow process
Will be through the resin of metering, change esterifying kettle 8 over to, add fumaric acid and carry out modification at 200 ℃, adding oxidation inhibitor and glycerine carried out esterification at 240 ℃ after modification was finished, described glycerine is stored in the glycerine basin 19, send into the glycerine volume pump through glycerine toothed gear pump 20 and measure, then change esterifying kettle over to after 8,6 hours, lead to steam, vacuumize, cool to 200 ℃, add the later stage auxiliary material, change product storage tank 9 after stirring over to.
3, finished product packing
With spiral pump the rosin ester in the finished product basin 9 is squeezed into tablets press continuously, after the granulation and cooling by tablets press, it is granular to become the semicircle sphere, in the Gum Rosin lift is promoted to the product storage tank, for sale by becoming the product pile after sacker's pack.
The fumaric acid that this embodiment obtains is glycerin abietate modified, and iron cobalt method detects color less than 1#, and productive rate is greater than 85%.
Embodiment 2: prepare the glycerin abietate modified method of toxilic acid below in conjunction with Fig. 1 explanation by rosin.
Adopt the rosin refining flow process (step 1) among the embodiment 1 to obtain resin.
To change esterifying kettle over to through the resin of metering, and add toxilic acid and carry out modification at 200 ℃, adding oxidation inhibitor and glycerine carried out esterification at 270 ℃ after modification was finished, and after 6 hours, led to steam, vacuumized, cool to 240 ℃, add the later stage auxiliary material, change the storage of finished products groove after stirring over to.
With spiral pump the Gum Rosin in the finished product basin is squeezed into tablets press continuously, after the granulation and cooling by tablets press, it is granular to become the semicircle sphere, in the Gum Rosin lift is promoted to the product storage tank, for sale by becoming the product pile after sacker's pack.
The Malaysia that this embodiment obtains is glycerin abietate modified, and iron cobalt method detects color less than or equal to 2#, and productive rate is near 100%.
Claims (14)
1. method that is prepared rosin ester by rosin, it is characterized in that, the treating process that before the esterif iotacation step of rosin, also comprises a rosin, described making with extra care in rosin refining kettle carried out, described refining kettle comprises round shape pot body, upper cover and lower cover, described refining kettle also comprise mosquito-repellent incense coil pipe, heating sinuous coil and outer semicircle heating coil;
Described purification step comprises as follows:
(1) rosin is pressed into the rosin test tank with nitrogen from the rosin basin, changes after metering still kettle over to, be rosin refining kettle, open deep fat the still kettle material is heated up;
(2) and open the vacuum unit, after 180 ℃-220 ℃ distilled out part and be collected in separately the foreshot basin, pipeline is switched to main fraction basin begin to carry out main fraction and collect;
(3) reach 270 ℃ to temperature of charge, and observe when distillating without rosin from visor and to close deep fat, close the vacuum unit, nitrogen replacement is entered still kettle and receives still, make resin.
2. according to claim 1 method is characterized in that, described preparation method also comprises rosin is carried out modification.
3. according to claim 2 method is characterized in that, adopts polyprotonic acid to carry out modification.
4. according to claim 3 method is characterized in that described polyprotonic acid is fumaric acid or toxilic acid.
5. according to claim 4 method is characterized in that described polyprotonic acid is toxilic acid.
6. each method is characterized in that according to claim 1-5, and described esterif iotacation step comprises: will change esterifying kettle over to through the resin of metering, and add oxidation inhibitor and polyvalent alcohol and carry out esterification, and carry out aftertreatment after esterification is finished and get the rosin ester product.
7. each method is characterized in that according to claim 2-5, and described modification procedure is before described esterif iotacation step, after purification step.
8. according to claim 7 method is characterized in that described technique comprises the steps:
(1) rosin is refining;
(2) modification of rosin is characterized in that, will change esterifying kettle over to through the resin of metering, adds polyprotonic acid and carries out modification;
(3) esterification of rosin is characterized in that, the rosin after the modification is added polyvalent alcohol carry out esterification.
9. according to claim 8 method is characterized in that, in the step (3) rosin after the modification is added antioxidant and polyvalent alcohol carries out esterification.
10. according to claim 6 method is characterized in that the polyvalent alcohol that adopts in the described esterification process is glycerine.
11. according to claim 8 or 9 method, it is characterized in that the polyvalent alcohol that adopts in the described esterification process is glycerine.
12. method according to claim 1 is characterized in that, the temperature of described esterification process is controlled between 240-270 ℃.
13. method according to claim 1 is characterized in that, described process for purification comprises the part that distillates after collecting 240 ℃.
14. method according to claim 13 is characterized in that, described process for purification comprises the cut within collecting 270 ℃.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046891U (en) * | 1988-01-11 | 1989-11-01 | 张昌荣 | Still for extracting rosin |
| CN1069994A (en) * | 1991-05-07 | 1993-03-17 | 联合坎普有限公司 | The polyol rosin ester tackifier of acid modification and contain the hot-melt adhesive composition of these class tackifier |
| US5969092A (en) * | 1997-04-18 | 1999-10-19 | Arizona Chemical Oy | Preparation of a tall oil rosin ester with a low odor level |
| WO2000006657A3 (en) * | 1998-07-27 | 2001-11-29 | Int Paper Co | Light-colored rosin esters and adhesive compositions |
| CN1443899A (en) * | 2002-03-12 | 2003-09-24 | 牛华 | Preparation method of rosen polyester sizing agent |
| CN1772829A (en) * | 2005-10-28 | 2006-05-17 | 中国林业科学研究院林产化学工业研究所 | High stability color-less rosin pentaerythrite ester and its prepn |
| CN101475776A (en) * | 2009-01-13 | 2009-07-08 | 中国林业科学研究院林产化学工业研究所 | Preparation of light colore high softening point maleated rosin pentaerythritol |
| CN101492591A (en) * | 2008-08-13 | 2009-07-29 | 中国林业科学研究院林产化学工业研究所 | Acrylic acid or methylpropenoic acid rosin derivative ester synthesis method |
| CN101665660A (en) * | 2009-09-27 | 2010-03-10 | 广西民族大学 | Method of refining and processing rosin |
| CN101818027A (en) * | 2010-04-20 | 2010-09-01 | 广西梧州松脂股份有限公司 | Method for preparing high-softening-point rosin glyceride from fumaric acid |
-
2011
- 2011-07-07 CN CN 201110189298 patent/CN102337078B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046891U (en) * | 1988-01-11 | 1989-11-01 | 张昌荣 | Still for extracting rosin |
| CN1069994A (en) * | 1991-05-07 | 1993-03-17 | 联合坎普有限公司 | The polyol rosin ester tackifier of acid modification and contain the hot-melt adhesive composition of these class tackifier |
| US5969092A (en) * | 1997-04-18 | 1999-10-19 | Arizona Chemical Oy | Preparation of a tall oil rosin ester with a low odor level |
| WO2000006657A3 (en) * | 1998-07-27 | 2001-11-29 | Int Paper Co | Light-colored rosin esters and adhesive compositions |
| CN1443899A (en) * | 2002-03-12 | 2003-09-24 | 牛华 | Preparation method of rosen polyester sizing agent |
| CN1772829A (en) * | 2005-10-28 | 2006-05-17 | 中国林业科学研究院林产化学工业研究所 | High stability color-less rosin pentaerythrite ester and its prepn |
| CN101492591A (en) * | 2008-08-13 | 2009-07-29 | 中国林业科学研究院林产化学工业研究所 | Acrylic acid or methylpropenoic acid rosin derivative ester synthesis method |
| CN101475776A (en) * | 2009-01-13 | 2009-07-08 | 中国林业科学研究院林产化学工业研究所 | Preparation of light colore high softening point maleated rosin pentaerythritol |
| CN101665660A (en) * | 2009-09-27 | 2010-03-10 | 广西民族大学 | Method of refining and processing rosin |
| CN101818027A (en) * | 2010-04-20 | 2010-09-01 | 广西梧州松脂股份有限公司 | Method for preparing high-softening-point rosin glyceride from fumaric acid |
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