CN106221617A - A kind of EVA books backsize composition and preparation method thereof - Google Patents
A kind of EVA books backsize composition and preparation method thereof Download PDFInfo
- Publication number
- CN106221617A CN106221617A CN201610772021.4A CN201610772021A CN106221617A CN 106221617 A CN106221617 A CN 106221617A CN 201610772021 A CN201610772021 A CN 201610772021A CN 106221617 A CN106221617 A CN 106221617A
- Authority
- CN
- China
- Prior art keywords
- books
- eva
- composition
- backsize
- backsize composition
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of EVA books backsize composition and preparation method thereof, said composition is made up of following raw material by weight percentage: EVA 30 55%, PETG plastics 12 23%, wax 20 29%, tackifying resin 10 15% and antioxidant 1 3%.It is strong that the EVA books backsize composition that the present invention provides has bonding force, and the advantages such as temperature tolerance is good solve the books air bubble problem that usual binding agent causes, it is adaptable to books gum is bonding, and the train line and the non-train line books glue that are suitable for high speed are ordered.
Description
Technical field
The present invention relates to field of adhesive technology, it particularly relates to a kind of EVA books backsize composition and preparation side thereof
Method.
Background technology
Books gum the most on the market, the most also partial filler or the EVA hot-melt adhesive of titanium dioxide, and this kind of books
Glue has an obvious defect, easily produces bubble, and glue class seems that ratio is relatively low when of books gluing.For
This, need exploitation badly the most high-end, can solve the water white books gum of books air bubble problem.
Summary of the invention
It is an object of the invention to provide a kind of high-end glue composition, it can solve the air bubble problem of books, improves books
Quality.
For reaching above-mentioned purpose, the invention provides a kind of EVA books backsize composition, said composition by following with weight
The raw material of percent meter is made: EVA 30-55%, PETG plastics 12-23%, wax 20-29%, tackifying resin 10-15% and
Antioxidant 1-3%.
At 160 DEG C, the viscosity of described compositions is 4800-6400cps.
The softening point of described compositions is 71-83 DEG C.
Described PETG plastics are noncrystalline copolyester；Described tackifying resin is non-hydrogenated petroleum tackifying resin.
Preferably, described compositions is made up of following raw material by weight percentage: EVA42.5%, PETG plastics
18%, wax 27.5%, the antioxidant of tackifying resin 11% and 1%.
Present invention also offers the preparation method of a kind of above-mentioned EVA books backsize composition, the method comprises following step
Rapid:
Step 1, under stirring, melts wax at 100 DEG C～110 DEG C；
EVA, PETG plastics and tackifying resin are put in stirring container by step 2, and mixing speed is 80 revs/min；
Step 3, evacuation；
Step 4, when continuing to melt leftover materials, opens granulating system heating, temperature is set as 110～120 DEG C,
Heating 30min；
Step 5, according to discharging requirement, drops to 85-100 DEG C temperature of charge, closes pipeline heating；
Step 6, detect product viscosity, qualified after, discharging.
Preferably, step 1 comprises: sets 130 DEG C and starts heating, in heating simultaneously, starts stirring 30 revs/min, by wax
Put in stirred tank, be then turned on stirring after 10～20 minutes, within every 10 minutes, increase by 20 revs/min, until 60 revs/min.
Preferably, in step 3, vacuum brings up to 0.08Mpa.
Preferably, in step 6, product viscosity 4800-6400cps is qualified.
Beneficial effects of the present invention: it is strong that the EVA books backsize composition that the present invention provides has bonding force, and temperature tolerance is good
Advantage, solves the books air bubble problem that usual binding agent causes, it is adaptable to books gum is bonding, is suitable for the train line of high speed
Order with non-train line books glue.
Detailed description of the invention
The invention provides a kind of EVA books backsize composition, said composition is by following raw material by weight percentage
Make: EVA 30-55%, PETG plastics 12-23%, wax 20-29%, tackifying resin 10-15% and antioxidant 1-3%.
Described wax is Sasolwax H1；Described PETG plastics are noncrystalline copolyester；Described tackifying resin is hydrogenation stone
Oil tackifying resin；Described antioxidant is Evarnox-10GF.
Below by way of specific embodiment, the invention will be further described, and these embodiments are merely to illustrate the present invention,
It it is not limiting the scope of the invention.
Embodiment 1-3
Weigh raw material by the formula in table 1, take following preparation method, preparation EVA books backsize composition:
1) each raw material of above-mentioned weight ratio is weighed；
2) design temperature 130 DEG C, start heating；
3) start stirring 30 revs/min, wax is put in stirred tank, be then turned on after 10～20 minutes stirring, every 10 minutes
Increase by 20 revs/min, until 60 revs/min；
4) melt wax, when temperature arrives 100 DEG C～110 DEG C, if wax has melted, continue next step, otherwise continue molten
Solve, until wax melts completely, then carry out next step；
5) EVA, PETG plastics and tackifying resin being put in stirred tank, mixing speed is 80 revs/min；
6) evacuation, according to the high high adjustment nitrogen valve door of product liquid level, gradually brings up to the vacuum in tank
0.08Mpa；
7) open granulator heating: when continuing to melt leftover materials, granulating system heating is opened, temperature is set as
110～120 DEG C, heat 30min；
8) according to discharging requirement, utilize oil temperature machine that temperature of charge in tank is dropped to 85-100 DEG C, close pipeline heating；
9) detecting other every basic indexs of product, as viscosity measurements and softening point detect, result is as shown in table 1.
Viscosity measurements
Viscosity is liquid when flowing, and in a kind of adhesion properties of its intermolecular generation internal friction, the size of viscosity is with viscous
Degree represents, is used to characterize the resistance factor that liquid property is relevant.Unit is Pa s, and being characterized as two pieces of areas is 1m2Plate
Being dipped in liquid, two plate distances are 1m, if adding the shearing stress of 1N, making the relative speed between two plates is the 1m/ second, then this liquid
Viscosity is 1Pa s, 1Pa s=1000mPa s=1000cps.
Viscosity uses Brookfield RVT viscometer to test, and concrete method of testing is as follows:
(1) preparing instrument and material: computer heating control instrument, heat resistant gloves, balance (accurately to 0.01 gram), DV-2+PRO type revolves
Rotatable viscometer, testing sample, pan paper, 27# rotor.
(2) sample is claimed: weigh about 10.5g (10.00-11.00g) sample with clean pan paper, put in test specimens QC.
With special pliers, sample cell is fixed in heating tank, rotor is put in sample cell simultaneously.Heat by adjusting viscometer
" set " on controller panel, in conjunction with down arrows temperature be set in test temperature (generally 100-200 DEG C, according to specifically
Test request), begin to warm up by " RUN/STBY " computer heating control instrument.
(3) when temperature rises to design temperature, start timing, after stablizing 10-20 minute, viscometer control panel is used
" set speed " and " select spindle " combines upper and lower arrow and selects the test rotor of regulation, test rotating speed.By " on/
Off " key start test.
(4) (stable reading refers to institute per minute reading value to record reading after Viscosity readings on viscosity apparatus display screen is stable
Difference is less than the 2% of reading), record test data.
(5) read after data, remove rotor, by rotor and sample and clean out and (during cleaning, wear heat resistant gloves, peace
Full glasses, prevent from scalding).
Softening point is tested
The steel ball determining quality is placed on the becket filling up sample, and under the Elevated Temperature Conditions of regulation, steel ball enters examination
Sample, falls from certain altitude, and the temperature when steel ball touches underlying metal baffle plate is considered as softening point.
The concrete method of testing of softening point is as follows:
(1) preparation of sample:
Aluminium-foil paper is converted into bowl-shape, takes a certain amount of sample and be placed in aluminium-foil paper bowl that (amount of sample should enough fill two examinations
Sample ring, and slight surplus).Aluminium-foil paper bowl is put in electrically heated drying cabinet together with sample, temperature is set and (temperature is set for exceeding
Sample starts temperature 25-50 DEG C of fusing), heating makes sample be completely melt.
For granule than more uniform, fusing after will not overflow and have certain viscosity, will not because of fusing after with sample loop bottom
The sample that edge flows out, directly can be placed on granule direct fusion in sample loop and (note: enough to fill out after the amount fusing of sample
Full sample ring, and the most slightly redundance).
Test button ring is put on a metal plate, for avoiding bonding, can wrap up on a metal plate one layer of silicon face paper or
A little glycerol or silicone oil somewhat it is coated with at metal sheet surface.
Fill up sample ring with the sample of the fusing of q.s, and make its most slightly redundance, empty in room temperature
Air cooling at least 8h, then removes unnecessary sample with the cutter of heat a little, makes specimen surface and ring surface be in same plane.(note
Meaning: wear heat resistant gloves and prevent from scalding).
(2) filling beaker with glycerol, the amount of glycerol wants submergence sample ring, and liquid level should exceed sample ring 50mm,
(3) get out instrument and softening point test device, hung thermometer, make the bottom of thermometer be positioned at sample ring and put down
Face, and equal with the distance of two rings, and regulation ring stand becomes horizontal.
(4) opening electric jacket heater switch, uniformly heat up, regulate programming rate, making programming rate is 5 ± 1 DEG C/min, adds
Hot glycerine bath temperature, until steel ball enters test portion through sample ring.
(5) when the steel ball surrounded by test portion touches the bottom deck of ring stand, record in time shown by this chronothermometer
Temperature, represent (DEG C) with Celsius temperature.
(6) close power supply, test instrunment is cleaned out.(during cleaning instrument, wearing heat resistant gloves, prevent from scalding).
Table 1: the formula (raw material is in terms of parts by weight) of embodiment 1-3 and test result
The EVA books backsize composition that the present invention provides is without filler and/or titanium oxide powder, and the ratio of viscosities of product is relatively low,
Good fluidity, it is not easy to produce bubble；And, the white in appearance of said composition product is transparent, even if producing a little bubble, on
After the book back, it also it is the difficult discovery of comparison.
The evaluation means of books product prepared by the EVA books backsize composition of the employing present invention mainly pass through following two
Method of testing evaluation correlated performance.
1) page is drawn to test (P flipbook dedicated tester): the 1. preparation of sample: books to be measured are placed in constant temperature and humidity room (wet
Degree 65 ± 5%, temperature 23 ± 2 DEG C) in stably place more than 12 hours；2. method of testing: first P flipbook dedicated tester is drawn
Power test program makes zero, and is fixed on by the books of test on P flipbook dedicated tester afterwards, by drop-down page testing button, draws page
Page is pulled out in books by bar, from tensile test meter reading, is test result, and unit is N；3. result treatment: the most every
This book test number of pages is page three, takes front the 1/3 of books, rear 1/3 respectively, that one page middle；By test result divided by books length,
Result unit is pounds per inch, and averages；Books test sheets all reaches standard and just judges that books are qualified.Draw a page testing standard
(Unite States Standard) is as shown in table 2.
Table 2: draw a page testing standard
2) page turning test (P flipbook dedicated tester): the 1. preparation of sample: books to be measured are placed in constant temperature and humidity room (wet
Degree 65 ± 5%, temperature 23 ± 2 DEG C) in stably place more than 12 hours；2. method of testing: first the enumerator of instrument is adjusted to
" 0000 " position, SPEED (page turning frequency) knob sets to 40；Then test books are fixed on P flipbook dedicated tester, and
With book-page clip, test page is clipped；On and off switch is bonded to " ON " position (power on light lights display power on), the most right
Books carry out page turning test；When data can be stopped when being more than testing standard on enumerator, on and off switch is bonded to " OFF " position
(power on light extinguishes display power supply and disconnects), shuts down, tests another page, and test result recorded；3. at result
Reason: generally every book test number of pages is page three, takes front the 1/3 of books, rear 1/3 respectively, that one page middle；Test result is time/
Page；Books test sheets all reaches standard and just judges that books are qualified.Page turning testing standard (Unite States Standard) is as shown in table 3.
Table 3: page turning testing standard
| Books | Standard |
| Impurity | 100-150 time/page |
| Novel | 200 times/page |
| Textbook | 250 times/page |
| Diary | 300 times/page |
| Catalogue/guide | 500-1000 time/page |
The phase that books product prepared by the EVA books backsize composition of the present invention is obtained by page turning test and tensile test
Pass result is as shown in table 4:
Table 4: the test result of books 1-3 prepared by EVA books backsize composition prepared by embodiment 1-3
From above-mentioned test result, the EVA books gum bond effect of the present invention is good.
In sum, it is strong that the EVA books backsize composition that the present invention provides has bonding force, the advantages such as temperature tolerance is good, solves
The books air bubble problem that usual binding agent of having determined causes, it is adaptable to books gum is bonding, is suitable for train line and the Fei Lian of high speed
Moving-wire books glue is ordered.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read foregoing, for the present invention's
Multiple amendment and replacement all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. an EVA books backsize composition, it is characterised in that said composition is by following raw material system by weight percentage
Become: EVA 30-55%, PETG plastics 12-23%, wax 20-29%, tackifying resin 10-15% and antioxidant 1-3%.
2. EVA books backsize composition as claimed in claim 1, it is characterised in that at 160 DEG C, the viscosity of said composition
For 4800-6400cps.
3. EVA books backsize composition as claimed in claim 1, it is characterised in that the softening point of said composition is 71-83
℃。
4. EVA books backsize composition as claimed in claim 1, it is characterised in that described PETG plastics are noncrystalline copolymerization
Polyester.
5. EVA books backsize composition as claimed in claim 1, it is characterised in that described tackifying resin is that non-hydrogenated petroleum increases
Viscosity resin.
6. EVA books backsize composition as claimed in claim 1, it is characterised in that said composition by following with weight percent
The raw material of number meter is made: EVA42.5%, PETG plastics 18%, wax 27.5%, the antioxidant of tackifying resin 11% and 1%.
7. the preparation method of an EVA books backsize composition according to claim 1, it is characterised in that the method bag
Containing following steps:
Step 1, under stirring, melts wax at 100 DEG C ~ 110 DEG C；
EVA, PETG plastics and tackifying resin are put in stirring container by step 2, and mixing speed is 80 revs/min；
Step 3, evacuation；
Step 4, when continuing to melt leftover materials, opens granulating system heating, temperature is set as 110 ~ 120 DEG C, heating
30min；
Step 5, according to discharging requirement, drops to 85-100 DEG C temperature of charge, closes pipeline heating；
Step 6, detect product viscosity, qualified after, discharging.
8. the preparation method of EVA books backsize composition as claimed in claim 7, it is characterised in that step 1 comprises: set
130 DEG C start heating, in heating simultaneously, start stirring 30 revs/min, are put into by wax in stirred tank, be then turned on after 10 ~ 20 minutes
Stirring, increases by 20 revs/min in every 10 minutes, until 60 revs/min.
9. the preparation method of EVA books backsize composition as claimed in claim 7, it is characterised in that in step 3, vacuum
Bring up to 0.08Mpa.
10. the preparation method of EVA books backsize composition as claimed in claim 7, it is characterised in that in step 6, product glues
Degree 4800-6400cps is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610772021.4A CN106221617A (en) | 2016-08-30 | 2016-08-30 | A kind of EVA books backsize composition and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610772021.4A CN106221617A (en) | 2016-08-30 | 2016-08-30 | A kind of EVA books backsize composition and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106221617A true CN106221617A (en) | 2016-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610772021.4A Pending CN106221617A (en) | 2016-08-30 | 2016-08-30 | A kind of EVA books backsize composition and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017132906A (en) * | 2016-01-28 | 2017-08-03 | 東洋インキＳｃホールディングス株式会社 | Hot-melt adhesive composition and coated material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838949A (en) * | 2012-09-27 | 2012-12-26 | 浙江固特热熔胶有限公司 | Back glue for books and magazines and production method thereof |
| CN104861894A (en) * | 2015-05-18 | 2015-08-26 | 湖北唯可化工材料有限公司 | Hot melt adhesive for book binding and preparation method of hot melt adhesive |
-
2016
- 2016-08-30 CN CN201610772021.4A patent/CN106221617A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838949A (en) * | 2012-09-27 | 2012-12-26 | 浙江固特热熔胶有限公司 | Back glue for books and magazines and production method thereof |
| CN104861894A (en) * | 2015-05-18 | 2015-08-26 | 湖北唯可化工材料有限公司 | Hot melt adhesive for book binding and preparation method of hot melt adhesive |
Non-Patent Citations (2)
| Title |
|---|
| 杜郢等: "书籍装订用热熔胶的现状及发展前景", 《粘接》 * |
| 许明等: "纸用EVA热熔胶的最优化配方研究", 《辽宁化工》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017132906A (en) * | 2016-01-28 | 2017-08-03 | 東洋インキＳｃホールディングス株式会社 | Hot-melt adhesive composition and coated material |
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Application publication date: 20161214 |
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