CN106833457A - A kind of packing list envelope hot-fusible pressure-sensitive adhesive and preparation method thereof - Google Patents
A kind of packing list envelope hot-fusible pressure-sensitive adhesive and preparation method thereof Download PDFInfo
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- CN106833457A CN106833457A CN201510878292.3A CN201510878292A CN106833457A CN 106833457 A CN106833457 A CN 106833457A CN 201510878292 A CN201510878292 A CN 201510878292A CN 106833457 A CN106833457 A CN 106833457A
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Abstract
With hot-fusible pressure-sensitive adhesive, it is made up a kind of packing list envelope of raw material according to the mass fraction：Matrix resin 31~38, tackifier 48~55, softening agent 11~17, antioxidant 0.8~1.4；Described matrix resin is the triblock copolymer of styrene-isoprene-phenylethene, the tackifier are modified aromatic series C5 Petropols, the softening agent is DOTP, and the antioxidant is the mixture of antioxidant 1010 and anti-oxidant DLTP composition.The hot-fusible pressure-sensitive adhesive being formulated according to above-mentioned formula has the characteristics of holding sticky good, oil-tight, and especially various material toxicities are low and safe, to human body without potential hazard, meet environmental requirement both domestic and external.
Description
Technical field
The present invention relates to technical field of adhesive, the hot-fusible pressure-sensitive adhesive of the special packing list envelope of logistics express delivery is particularly well-suited to.
Background technology
Packing list envelope is widely used in logistics express delivery industry, and the key factor for determining packing list envelope performance is the hot-fusible pressure-sensitive adhesive for closing packing list envelope.In recent years with the enhancing that people's environment protection health is realized, it is desirable to circulate and possess the article in link and human body is safe from harm.Hot-fusible pressure-sensitive adhesive in the market has using waste grease or phthalic acid ester（Dioctyl phthalate DOP, dibutyl phthalate DBP, di-n-octyl sebacate DOS, dioctyl adipate DOA）Used as the situation of softening agent, European Union clearly forbids these materials to apply in pressure sensitive adhesive field.Hot-fusible pressure-sensitive adhesive there is problems when in use：1. pressure sensitive adhesive permeability, general commercially available hot-fusible pressure-sensitive adhesive occurs as soon as permeability phenomenon for 3 to 5 months, not only influence product appearance, and as the adhesive property that fluid separates out glue-line is persistently reduced, even result in that packing list envelope is inharmonious, this phenomenon is self-evident for needing its danger of the international mail of transmission for a long time from production and transport to client；2. adhesion strength is low, does not reach the requirement destroyed to adhesive surface when front cover is peeled；3. stability is poor, and the fluctuation of performance is easily produced because of external environment influence.The crux of above mentioned problem is that the formula of hot-fusible pressure-sensitive adhesive has a certain defect, therefore improves the formula and preparation method of hot-fusible pressure-sensitive adhesive, its performance indications is lifted, as problem demanding prompt solution.
The content of the invention
The technical problems to be solved by the invention are the defects for overcoming prior art, a kind of packing list envelope hot-fusible pressure-sensitive adhesive and preparation method are provided, hot-fusible pressure-sensitive adhesive is formulated according to a certain percentage by matrix resin, tackifier, softening agent and stabilizer, the toxicity low-security of raw material is high, meet environmental requirement, and with hold viscosity it is good, oil-tight the characteristics of.
Technical problem of the present invention is realized with following technical proposals：
A kind of packing list envelope hot-fusible pressure-sensitive adhesive, it is made up of following raw material according to the mass fraction：
Matrix resin 31~38, tackifier 48~55, softening agent 11~17, antioxidant 0.8~1.4；Described matrix resin is the triblock copolymer of styrene-isoprene-phenylethene, and the tackifier are C5 Petropols, and the softening agent is DOTP, and the antioxidant is the mixture of antioxidant 1010 and anti-oxidant DLTP composition.
Above-mentioned packing list envelope hot-fusible pressure-sensitive adhesive, it is made up of following raw material according to the mass fraction：
The triblock copolymer 34 of styrene-isoprene-phenylethene, C5 Petropols 52, DOTP 13, antioxidant 1010 is 0.5, and anti-oxidant DLTP is 0.5.
Above-mentioned packing list envelope hot-fusible pressure-sensitive adhesive, the triblock copolymer of described matrix Resin styrene-isoprene styrene is linear structure, and the content of diblock SI is 56 ± 5% in molecular structure.
A kind of preparation method of above-mentioned packing list envelope hot-fusible pressure-sensitive adhesive, comprises the following steps：
A, the raw material that each component is weighed by formula, DOTP, antioxidant 1010 and DLTP are put into reactor, are stirred and are heated；
When b, temperature to be heated are up to 145 ± 5 DEG C, the C5 Petropols of matrix resin and total amount 1/3 are added under continuous agitation, be heated to 165 ± 5 DEG C；
C, the C5 Petropols for adding under conditions of temperature control stirring surplus at twice；
D, stopping heating, vacuumize reactor under conditions of stirring, and packaging gets product after cooling.
The preparation method of above-mentioned packing list envelope hot-fusible pressure-sensitive adhesive, is keeping at a temperature of 165 ± 5 DEG C in the step b, and speed of agitator is 25 revs/min, and the reaction time is 150 ± 10 minutes.
Hot-fusible pressure-sensitive adhesive of the present invention is from matrix resin, tackifier, softening agent and stabilizer as raw material, determine the optimum proportioning between these four raw materials by repetition test, rationally, the hot-fusible pressure-sensitive adhesive produced shows that holding for it is sticky good to preparation method after testing, peel strength is high, high temperature（70℃）Lower 48 hours of experimental condition is without permeability, normal temperature can place 1 year without permeability phenomenon, and can normally be used within the temperature range of -20 DEG C~45 DEG C, therefore it has wide range of applications, the need for making environment-friendly type express delivery packing list envelope can not only be met, it may also be used for other occasions higher to hot-fusible pressure-sensitive adhesive performance requirement.The material toxicity for preparing hot-fusible pressure-sensitive adhesive is low and safe, and the environmental requirement of European Union's REACH and RoHS regulation is met by detection.
The invention the environment-friendly plasticizer terephthalic acid (TPA) dibutyl ester used in production polyvinylchloride（DOTP）Hot-fusible pressure-sensitive adhesive field is applied to as softening agent.The molecular formula C of DOTP24H38O4, it is a kind of new plasticizer of environment-friendly type, be free of 16 kinds of phthalates by SGS detections（That is 16P）, it and dioctyl phthalate conventional at present（DOP）Compare, have the advantages that heat-resisting, cold-resistant, difficult volatilization, anti-extraction, flexibility and electrical insulation capability are good, therefore can not only substitute DOP, and the product of production is better than using the product of DOP in physical property and mechanical performance.By long-time detection show that the toxicity of DOTP is very low, generally as be nontoxic plasticizer use in medical PVC product and various plastic children toys.DOTP（DOTP）When being applied to hot-fusible pressure-sensitive adhesive for softening agent, its volatility is low, and glass transition temperature is relatively low, and preferably, water-fast, oil resistant extraction performance is strong for low temperature flexibility（Prevent the performance separated out from polymer）, good electrical property, heat resistance and good weatherability.
The base-material European Union more strict for SIS resins and tackifier C5 Petropols meet and the environmental protection standard in the U.S., can be used for amenities.Antioxidant be antioxidant 1010 and anti-oxidant DLTP, wherein antioxidant 1010 be four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid] pentaerythritol ester（CAS No.：6683-19-8）, toxicity is extremely low, big white mouse LD50 of passing through mouth>5g/kg, can be used for packaging material for food.Anti-oxidant DLTP is also known as the double lauryls of thio-2 acid（No. CAS：123-28-4;115628-90-5;53571-83-8）Toxicity is extremely low, can be used for packaging material for food.
Specific embodiment
The present invention is described in further detail with reference to embodiment.
Hot-fusible pressure-sensitive adhesive of the present invention is that the following raw material in terms of mass fraction is formulated：Matrix resin 31~38, tackifier 48~55, softening agent 11~17, antioxidant 0.8~1.4, described matrix resin is the triblock copolymer of styrene-isoprene-phenylethene（SIS）, SIS is linear structure, and wherein the content of diblock SI is 56 ± 5%, and the matrix resin of this SI content ensure that the die cuttability of PUR and higher first viscous.Matrix resin SIS is the two phase structure of mutual tolerance, and the property that vulcanized rubber is showed at room temperature has elasticity, intensity and wearability, has plasticity under the condition of high temperature, also with good processing characteristics.The tackifier are modified aromatic series C5 Petropols, and softening point is 96 ± 4 DEG C, and because its performance and SIS performances are close, both compatibilities are good, and the PUR stabilization of production can also decline mixture melt and solution viscosity, be beneficial to the processing of subsequent handling.The softening agent is DOTP（DOTP）, the antioxidant is the mixture of antioxidant 1010 and anti-oxidant DLTP.
It is preferred that the formula of hot-fusible pressure-sensitive adhesive（In terms of mass fraction）For：The triblock copolymer 34 of styrene-isoprene-phenylethene, aromatic series C5 Petropols 52, DOTP 13, antioxidant 1010 is 0.5, and anti-oxidant DLTP is 0.5.
The preparation method of above-mentioned hot-fusible pressure-sensitive adhesive is that it comprises the following steps：
A. each component of raw material is weighed by formula, by DOTP and antioxidant 1010 and DLTP input reactors, is stirred and is heated；
B. when temperature to be heated is up to 145 ± 5 DEG C, SIS is slowly added to, is stirred 5 minutes after addition, add the C5 Petropols of total amount 1/3；Continue to be stirred and heated to 165 ± 5 DEG C, stirred 150 ± 10 minutes under conditions of 25 revs/min of keeping temperature rotating speed；If keep 165 ± 5 DEG C temperature range because temperature too it is low will cause fusing not exclusively, SIS lump, temperature too it is high can because in SIS contain unsaturated double-bond, thermal oxide can occur at high temperature and degrade, decline the cohesive strength of adhesive.
C. the tackifier of remaining 2/3 amount are added at twice under conditions of temperature control stirring, the C5 Petropols of 1/3 amount is added every time, added twice at intervals of 5 minutes, maintain temperature to stir 10 minutes；
D. stop heating, vacuumize reactor under conditions of stirring, 25 minutes removing bubbles are kept under vacuum pressure 0.08Mpa, stop stirring and continue to vacuumize 8 minutes；
E. vacuum is vented, reactor is passed through 0.1 ± 0.05MPa of compressed air, packaging gets product after cooling.
Embodiment
Raw material is chosen：Matrix resin SIS selects Japanese auspicious father-in-law（ZEON CORPORRION）The trade mark of production is the SIS of 3433N（The triblock copolymer of styrene-isoprene-phenylethene）, its SI content is 56%.The tackifier C5 petroleum resin products trade mark is the 3200 of Ningbo gold sea morning twilight.Antioxidant 1010 selects Nanjing through the product of Tian Wei Chemical Co., Ltd.s with anti-oxidant DLTP.
It is below several groups of formulas of raw material（Unit is kg）：
Five group of formula lists of the hot-fusible pressure-sensitive adhesive of table 1
The preparation method of hot-fusible pressure-sensitive adhesive is as follows：
A. each component is weighed by the proportioning of example 3, is taken in DOTP and antioxidant 1010, DLTP input reactors, stirred and heat；B. when temperature to be heated is up to 145 DEG C, the triblock copolymer of styrene-isoprene-phenylethene is added slowly, after stirring 5 minutes, add the modified aliphatic C5 Petropols of 17kg；Continue to be stirred and heated to 165 DEG C, temperature control stirring（25 revs/min）150 minutes；C. divide under conditions of temperature control stirring 2 times and add the modified aliphatic C5 Petropols of remaining 35kg, addition twice was at intervals of 5 minutes, insulated and stirred 10 minutes；D. stop heating, continue to stir, reactor is vacuumized, and is kept for 25 minutes in vacuum pressure 0.08Mpa.Stop stirring continuing to vacuumize 8 minutes；E. vacuum is vented, reactor is passed through compressed air, packaging gets product after cooling.
The performance indications of the hot-fusible pressure-sensitive adhesive that table 2 is prepared according to the method described above
Claims (5)
1. a kind of packing list envelope hot-fusible pressure-sensitive adhesive, it is characterised in that it is made up of following raw material according to the mass fraction：
Matrix resin 31~38, tackifier 48~55, softening agent 11~17, antioxidant 0.8~1.4；Described matrix resin is the triblock copolymer of styrene-isoprene-phenylethene, and the tackifier are C5 Petropols, and the softening agent is DOTP, and the antioxidant is the mixture of antioxidant 1010 and anti-oxidant DLTP composition.
2. packing list envelope hot-fusible pressure-sensitive adhesive according to claim 1, it is characterised in that it is made up of following raw material according to the mass fraction：
The triblock copolymer 34 of styrene-isoprene-phenylethene, C5 Petropols 52, DOTP 13, antioxidant 1010 is 0.5, and anti-oxidant DLTP is 0.5.
3. packing list envelope hot-fusible pressure-sensitive adhesive according to claim 2, it is characterised in that the triblock copolymer of described matrix Resin styrene-isoprene styrene is linear structure, the content of diblock SI is 56 ± 5% in molecular structure.
4. a kind of method of the packing list envelope hot-fusible pressure-sensitive adhesive prepared as described in any one of claim 1-3 right, it is characterised in that comprise the following steps：
A, the raw material that each component is weighed by formula, DOTP, antioxidant 1010 and DLTP are put into reactor, are stirred and are heated；
When b, temperature to be heated are up to 145 ± 5 DEG C, the C5 Petropols of matrix resin and total amount 1/3 are added under continuous agitation, be heated to 165 ± 5 DEG C；
C, the C5 Petropols for adding under conditions of temperature control stirring surplus at twice；
D, stopping heating, vacuumize reactor under conditions of stirring, and packaging gets product after cooling.
5. the preparation method of packing list envelope hot-fusible pressure-sensitive adhesive according to claim 4, it is characterised in that kept at a temperature of 165 ± 5 DEG C in the step b, speed of agitator is 25 revs/min, the reaction time is 150 ± 10 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510878292.3A CN106833457A (en) | 2015-12-04 | 2015-12-04 | A kind of packing list envelope hot-fusible pressure-sensitive adhesive and preparation method thereof |
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| CN201510878292.3A CN106833457A (en) | 2015-12-04 | 2015-12-04 | A kind of packing list envelope hot-fusible pressure-sensitive adhesive and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234148A (en) * | 2000-02-23 | 2001-08-28 | Sekisui Chem Co Ltd | Pressure-sensitive adhesive tape and roll-shape cleaning tool using the same |
| CN101497771A (en) * | 2009-02-27 | 2009-08-05 | 杨志 | Hot melt pressure-sensitive adhesive for post express back glue bag and preparation |
| CN102504735A (en) * | 2011-10-13 | 2012-06-20 | 杨志 | Hot melt pressure sensitive adhesive and preparation method thereof |
| CN103320067A (en) * | 2013-07-05 | 2013-09-25 | 杨志 | Rapid bonding hot-melt pressure-sensitive adhesive for expressing waterproof bag and preparation method of rapid bonding hot-melt pressure-sensitive adhesive |
-
2015
- 2015-12-04 CN CN201510878292.3A patent/CN106833457A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234148A (en) * | 2000-02-23 | 2001-08-28 | Sekisui Chem Co Ltd | Pressure-sensitive adhesive tape and roll-shape cleaning tool using the same |
| CN101497771A (en) * | 2009-02-27 | 2009-08-05 | 杨志 | Hot melt pressure-sensitive adhesive for post express back glue bag and preparation |
| CN102504735A (en) * | 2011-10-13 | 2012-06-20 | 杨志 | Hot melt pressure sensitive adhesive and preparation method thereof |
| CN103320067A (en) * | 2013-07-05 | 2013-09-25 | 杨志 | Rapid bonding hot-melt pressure-sensitive adhesive for expressing waterproof bag and preparation method of rapid bonding hot-melt pressure-sensitive adhesive |
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Application publication date: 20170613 |