CN103333649B - Hot-melt and pressure sensitive plaster matrigel and preparation method thereof - Google Patents
Hot-melt and pressure sensitive plaster matrigel and preparation method thereof Download PDFInfo
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- CN103333649B CN103333649B CN201310213369.6A CN201310213369A CN103333649B CN 103333649 B CN103333649 B CN 103333649B CN 201310213369 A CN201310213369 A CN 201310213369A CN 103333649 B CN103333649 B CN 103333649B
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Abstract
The invention relates toand a preparation method of a hot-melt and pressure sensitive plaster matrigel. The preparation method comprises the steps of adding a thermoplastic elastomer SIS, a thermoplastic elastomer SBS, a thermoplastic elastomer SEPS and naphthenic oil KNH4010 to a reaction kettle; then introducing nitrogen; fusing with stirring; then adding a C5/C9 co-polymerized petroleum resin, a C5 petroleum resin and a rosin resin to the reaction kettle; fusing and mixing with stirring; adding an antioxidant BHT264; mixing with stirring; vacuumizing to remove air bubbles; and discharging the materials. The plaster matrigel prepared by the method has the advantages of good initial adhesion, large release force, good ageing-resistant performance and high cohesive strength. Compared with a nonpolar material, the plaster matrigel has relatively good combined performance and is helpful for coating. When the plaster matrigel is in use, skins are not allergic to the plaster matrigel; drug loading capacity is large; and no residue is left after the matrigel is peeled off.
Description
Technical field
The present invention relates to thermotropic pressure sensitive sizing agent, be specifically related to a kind of preparation method of melt pressure sensitive type plaster substrate glue.
Background technology
Pressure-sensitive adhesive agent be a kind of in bonding process to pressure-sensitive from gummous substance, it is under less reactive force, just can form more firmly cohesive force.Hot-fusible pressure-sensitive adhesive is wherein a kind of, and it can produce splendid thermal viscosity when a little higher than room temperature, is at room temperature solid state, to point or light pressure can produce firmly cohesive force.Compared with common hot-fusible pressure-sensitive adhesive, melt pressure sensitive type plaster substrate glue is wanted and skin contact, and therefore must have hypoallergenic, stripping strength that water vapour permeability is good, moderate, good force of cohesion prevents glue from remaining skin, also needs the high requirement of drug loading in addition.
At present, the main component of the matrix of traditional plaster is red lead (Pb
3o
4) and vegetables oil, there are anti-inflammatory, germicidal action in red lead.Form glutinous paste after heating and play adhesive effect in plaster substrate.Red lead is poisonous, harmful.Easy embrittlement preserved for a long time by leaded plaster, needs heating before using, and could use after plaster is softening, peels the vestige that can leave plaster on skin.In leaded plaster preparation process, oil temperature need reach 320 DEG C, the effective constituent destructible of other medicinal materials contained by plaster, and the more difficult control of technique.Chinese patent 200410011196.0 discloses a kind of leadless plaster medium for Chinese medicine and the preparation method that belong to traditional Chinese medicine field, and its component comprises rosin, Fructus Cnidii kuh-seng, the bletilla striata, plaster stone, moxa, Vaseline, beeswax, honey, sesame oil.Preparation method comprises: rosin moderate heat is boiled into Vandyke brown and pours container into, knock fritter after formation tabular; Fructus Cnidii, kuh-seng, the bletilla striata, gypsum powder are broken into fine powder; Tarragon is pulverized, removes smalls, stay moxa; Vaseline moderate heat is boiled into liquid state, gets block rosin, beeswax, honey, sesame oil and adds simultaneously and be boiled into pasty state and form oily suede; Block rosin moderate heat is fused into pasty state, is poured into by oily suede and stirs evenly with rosin, then Fructus Cnidii, kuh-seng, plaster stone, bletilla striata fine powder are dropped into and stirred evenly, and black to be boiled into, pours in cold water, takes out when plaster temperature drops to 40 DEG C.But the method technique is loaded down with trivial details, and the more difficult fusion of other medicinal materials uses; In addition also suitability for industrialized production is not suitable for.
Also there is the medical hot melt pressure sensitive matrix of more application on plaster now.Chinese patent 200510029757.4 just provides a kind of hot-fusible pressure-sensitive adhesive; The method for making of this hot-fusible pressure-sensitive adhesive is provided simultaneously and this glue is used for ointment preparation; The main component of this hot-fusible pressure-sensitive adhesive is styrenic thermoplastic's elastomerics SIS (vinylbenzene ~ isoprene ~ styrene triblock copolymer), be equipped with tackifying resin (as petroleum resin, terpene polymer, polyisobutene) and softening oil (as whiteruss) and antioxidant (as Tenox PG, BZ) etc., this hot-fusible pressure-sensitive adhesive is transparent, docile, it is allergic not cause, environmental protection, and there is well anti-aging, oxidative degradation effect; Large with this obtained transdermal administration plaster product drug loading, strong drug action.But the Resolving probiems that colloid easily remains skin is not mentioned in this invention.
Plaster substrate should have not to allergic, have well anti-aging, oxidative degradation effect, and drug loading is large.In addition plaster substrate also should consider tack, stripping strength, ageing-resistant performance, force of cohesion etc.; Plaster perfection is used, does not also have matrix to remain.
Summary of the invention
The object of this invention is to provide a kind of preparation method of melt pressure sensitive type plaster substrate glue.At guarantee plaster substrate not to allergic, have well anti-aging, oxidative degradation effect and also drug loading large while, solve the good not problem causing matrix residual of current plaster substrate force of cohesion.
The method solved the problems of the technologies described above is to provide a kind of like this preparation method of melt pressure sensitive type plaster substrate glue, by weight heat-obtaining thermoplastic elastic SIS5 ~ 25 part, thermoplastic elastomer SBS 5 ~ 25 parts, thermoplastic elastomer SEPS5 ~ 20 part, C5 petroleum resin 5 ~ 30 parts, C5/C9 copolymerized petroleum resin 5 ~ 30 parts, Gum Rosin 10 ~ 30 parts, naphthenic oil KNH401010 ~ 30 part, antioxidant BHT 2641 ~ 2 parts; Again described thermoplastic elastomer SIS, SBS, SEPS, naphthenic oil KNH4010 are added reactor simultaneously, pass into nitrogen and then at 130 ~ 160 DEG C of temperature, stir melting 60 ~ 100 minutes, again described C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin are added reactor, between 140 ~ 160 DEG C, melting is uniformly mixed 60 ~ 90 minutes, finally add antioxidant BHT 264 to be uniformly mixed, and vacuumize removal bubble, discharging, cooling forming.
Preferably, heat-obtaining thermoplastic elastic SIS20 part, thermoplastic elastomer SBS 5 parts, thermoplastic elastomer SEPS5 part, C5 petroleum resin 10 parts, C5/C9 copolymerized petroleum resin 10 parts, Gum Rosin 30 parts, naphthenic oil KNH401020 part, antioxidant BHT 2641 parts by weight.
In order to improve the unalterable of black plaster, being applicable to the sale of product, is that the pigment of 1 ~ 2 part adds reactor together with C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin by weight part.Described pigment colored composition is food grade famille rose, food grade light blue, food grade lemon yellow, food grade lure red one or more.
It is known for forming whole component itself of the present invention, by commercially available.
The present invention adopts using SIS, SBS and SEPS thermoplastic elastomer as material of main part, SIS thermoplastic elastomer is that the hot-fusible pressure-sensitive adhesive of main body inherently has very excellent tack and peeling force, but cohesive strength is relatively lower than SBS, glue-line is caused to transfer on skin, pollute skin, therefore in SIS, SBS is added, the defect that can make up.SEPS is hydrogenation type styrene analog thermoplastic elastomer, has excellent elasticity and physical strength, at high temperature not easily generates gel, lower temperature resistance, resistance to elevated temperatures are good, tensile strength is high, and make hot-fusible pressure-sensitive adhesive have lower melt viscosity, be conducive to coating, improve drug loading.Select these three kinds of thermoplastic elastomers as material of main part, get each chief, cover the shortage.It is good that obtained hot-fusible pressure-sensitive adhesive has tack, and peeling force is large, and ageing-resistant performance is good, the advantage that cohesive strength is large.
Tackifying resin of the present invention adopts C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin.Thermoplastic elastomer itself does not have initial cohesiveness, tackifying resin and tenderizer must be added, according to the difference of solubleness in thermoplastic elastomer two-phase, tackifying resin can be divided into three kinds, the present invention selects the compatible C5/C9 copolymerized petroleum resin of C5 petroleum resin, Gum Rosin and two-phase that can only be compatible with rubber phase, only the tackifying resin compatible with rubber can reduce Young's modulus and the cohesive strength of mixture, and gives glue with initial bonding strength and peeling force; The all compatible C5/C9 copolymer resins of two-phase can improve Young's modulus and the cohesive strength of glue, can not improve initial bonding strength and the peeling force of glue, but this resin has and collet or the higher affinity of plastic basis material.Use above three kinds of tackifying resins, obtained hot-fusible pressure-sensitive adhesive has good tack, peeling force, higher Young's modulus and cohesive strength, and has with non-polar material and combine performance preferably.
The tenderizer that the present invention uses is naphthenic oil KNH4010.Tenderizer is also known as softening agent, and the object of use softening agent is the melt viscosity in order to reduce glue, to be conducive to coating; Can initial cohesiveness be improved and improve resistance to low temperature.Naphthenic oil is a kind of and is dissolved in rubber phase and is insoluble to the tenderizer of plastics phase completely, can the cohesive strength of MIN reduction glue.And the ageing-resistant performance that naphthenic oil has low volatility, low-viscosity, low density are become reconciled, price is also lower.If mix a small amount of aromatic series mineral oil component in Aliphatic mineral oils, though content only have 2% ~ 3% also can be dissolved in plastics mutually in, and draw its sizing agent cohesive strength decline.The hot-fusible pressure-sensitive adhesive using naphthenic oil KNH4010 to prepare has higher cohesive strength, and good tack also improves lower temperature resistance, lower melting viscosity, is conducive to coating, improves drug loading.
The present invention adopts using SIS, SBS and SEPS thermoplastic elastomer as material of main part, tackifying resin uses C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin, and tenderizer uses naphthenic oil, is equipped with pigment and oxidation inhibitor, it is good that the melt pressure sensitive type plaster basis glue be made into has viscosity, peeling force is large, and force of cohesion is strong, good with Chinese herbal medicine extract intermiscibility, drug loading is large, ageing-resistant performance is good, and resistance to low temperature is good, and has with non-polar material and combine performance preferably.
The invention has the beneficial effects as follows, it is large that plaster substrate glue of the present invention has the good and peeling force of tack, and ageing-resistant performance is good, the advantage that cohesive strength is large.Have with non-polar material and combine performance preferably, be conducive to coating.During use, plaster substrate glue is not large to allergic and drug loading, matrix noresidue after peeling off.And the product of different colours can be prepared.
Below in conjunction with embodiment, the present invention is described in detail.
Embodiment
Embodiment 1: a kind of melt pressure sensitive type plaster substrate glue and preparation thereof
Get the component of following weight part: thermoplastic elastomer SIS200g, thermoplastic elastomer SBS 50g, thermoplastic elastomer SEPS50g, C5/C9 copolymerized petroleum resin 100g, C5 petroleum resin 100g, Gum Rosin 300g, food grade carmine 50g, naphthenic oil KNH4010200g, oxidation inhibitor are BHT26410g.
Described thermoplastic elastomer SIS, thermoplastic elastomer SBS, thermoplastic elastomer SEPS, naphthenic oil KNH4010 are added reactor simultaneously, under the condition of logical oxide gas, utilize reactor at 130 DEG C of temperature, stir melting 60 minutes, again C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin, food grade famille rose are added reactor, be uniformly mixed 60 minutes 140 DEG C of meltings, finally adding oxidation inhibitor is that BHT264 is uniformly mixed.And vacuumize removal bubble, discharging, cooling forming, to obtain final product.
Embodiment 2: a kind of melt pressure sensitive type plaster substrate glue and preparation thereof
Get the component of following weight part: thermoplastic elastomer SIS150g, thermoplastic elastomer SBS 150g, thermoplastic elastomer SEPS50g, C5/C9 copolymerized petroleum resin 100g, C5 petroleum resin 200g, Gum Rosin 150g, naphthenic oil KNH4010200g, antioxidant BHT 26410g.
Described thermoplastic elastomer SIS, thermoplastic elastomer SBS, thermoplastic elastomer SEPS, naphthenic oil KNH4010 are added reactor simultaneously, under the condition of logical oxide gas, utilize reactor at 150 DEG C of temperature, stir melting 70 minutes, again C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin are added reactor, be uniformly mixed 70 minutes 150 DEG C of meltings, finally add oxidation inhibitor and be uniformly mixed, and vacuumize removal bubble, discharging, cooling forming, to obtain final product.
Embodiment 3: a kind of melt pressure sensitive type plaster substrate glue and preparation thereof
Get the component of following weight part: thermoplastic elastomer SIS50g, thermoplastic elastomer SBS 50g, thermoplastic elastomer SEPS200g, C5/C9 copolymerized petroleum resin 150g, C5 petroleum resin 150g, Gum Rosin 150g, food grade light blue 25g, food grade lemon yellow 25g, naphthenic oil KNH4010250g, antioxidant BHT 26410g.
Described thermoplastic elastomer SIS, thermoplastic elastomer SBS, thermoplastic elastomer SEPS, naphthenic oil KNH4010 are added reactor simultaneously, under the condition of logical oxide gas, utilize reactor at 150 DEG C of temperature, stir melting 80 minutes, again C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin, food grade light blue, food grade lemon yellow are added reactor, 90 minutes are uniformly mixed 160 DEG C of meltings, finally add antioxidant BHT 264 to be uniformly mixed, and vacuumize removal bubble, discharging, cooling forming, to obtain final product.
Embodiment 4: a kind of melt pressure sensitive type plaster substrate glue and preparation thereof
Get the component of following weight part: thermoplastic elastomer SIS120g, thermoplastic elastomer SBS 70g, thermoplastic elastomer SEPS50g, C5/C9 copolymerized petroleum resin 130g, C5 petroleum resin 120g, Gum Rosin 270g, naphthenic oil KNH4010240g, antioxidant BHT 26410g.
Described thermoplastic elastomer SIS, thermoplastic elastomer SBS, thermoplastic elastomer SEPS, naphthenic oil KNH4010 are added reactor simultaneously, under the condition of logical oxide gas, utilize reactor at 160 DEG C of temperature, stir melting 90 minutes, again C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin are added reactor, between 150 DEG C, melting is uniformly mixed, and finally adds antioxidant BHT 264 and is uniformly mixed, and vacuumize removal bubble, discharging, cooling forming, to obtain final product.
Embodiment 5: a kind of melt pressure sensitive type plaster substrate glue and preparation thereof
Get the component of following weight part: thermoplastic elastomer SIS50g, thermoplastic elastomer SBS 160g, thermoplastic elastomer SEPS50g, C5/C9 copolymerized petroleum resin 100g, C5 petroleum resin 200g, Gum Rosin 240g, naphthenic oil KNH4010200g, food grade lemon yellow 25g, food grade lure red 25g, oxidation inhibitor to be BHT26410g.
Described thermoplastic elastomer SIS, thermoplastic elastomer SBS, thermoplastic elastomer SEPS, naphthenic oil KNH4010 are added reactor simultaneously, under the condition of logical oxide gas, utilize reactor at 150 DEG C of temperature, stir melting 100 minutes, again C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin food grade lemon yellow, food grade temptation are redly added reactor, be uniformly mixed 150 DEG C of meltings, finally adding oxidation inhibitor is that BHT264 is uniformly mixed 90 minutes, and vacuumize removal bubble, discharging, cooling forming, to obtain final product.
Hot-melting type ointment plaster obtained by embodiment 1 ~ 5 performance index of basic glue, melting viscosity measuring method is with reference to industry standard HG/T3660-1999 " mensuration of hot melt adhesive melt viscosity ", stripping strength measuring method is with reference to standard GB/T 2792-1998 " pressure-sensitive adhesive tape 180 peeling strength test method ", softening point measurement method is with reference to standard GB/T/T15332-94 " the mensuration ring and ball method of hot melt adhesive softening temperature ", initial bonding strength measuring method is with reference to standard GB/T/T4852-2002 " pressure-sensitive adhesive tape tack test method (rolling ball method mensuration) ".Result is as shown in the table:
The specific performance of melt pressure sensitive type plaster substrate glue prepared by the present invention is as follows: outward appearance: black or other colors (pigment decision), evenly bright and clean, is viscoelastic solid under normal temperature; Melt viscosity (@160 DEG C): 2000 ~ 10000mpas; Stripping strength: >=10N/25mm; Softening temperature (ring and ball method): >=65 DEG C; Initial bonding strength: >=8# steel ball.
Claims (4)
1. a preparation method for melt pressure sensitive type plaster substrate glue, by weight heat-obtaining thermoplastic elastic SIS5 ~ 25 part, thermoplastic elastomer SBS 5 ~ 25 parts, thermoplastic elastomer SEPS5 ~ 20 part, C5 petroleum resin 5 ~ 30 parts, C5/C9 copolymerized petroleum resin 5 ~ 30 parts, Gum Rosin 10 ~ 30 parts, naphthenic oil KNH4010 10 ~ 30 parts, antioxidant BHT 264 1 ~ 2 parts; Again described thermoplastic elastomer SIS, thermoplastic elastomer SBS, thermoplastic elastomer SEPS, naphthenic oil KNH4010 are added reactor simultaneously, pass into nitrogen and then at 130 ~ 160 DEG C of temperature, stir melting 60 ~ 100 minutes; Again described C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin are added reactor, between 140 ~ 160 DEG C, melting is uniformly mixed 60 ~ 90 minutes; Finally add antioxidant BHT 264 to be uniformly mixed, and vacuumize removal bubble, discharging, cooling forming.
2. the preparation method of melt pressure sensitive type plaster substrate glue as claimed in claim 1, is characterized in that: heat-obtaining thermoplastic elastic SIS20 part, thermoplastic elastomer SBS 5 parts, thermoplastic elastomer SEPS5 part, C5 petroleum resin 10 parts, C5/C9 copolymerized petroleum resin 10 parts, Gum Rosin 30 parts, naphthenic oil KNH4010 20 parts, antioxidant BHT 264 1 parts by weight.
3. the preparation method of melt pressure sensitive type plaster substrate glue as claimed in claim 1, is characterized in that: getting weight part is that the pigment of 1 ~ 2 part adds reactor together with C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin.
4. the preparation method of melt pressure sensitive type plaster substrate glue as claimed in claim 3, is characterized in that: described pigment colored composition is food grade famille rose, food grade light blue, food grade lemon yellow, food grade lure red one or more.
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| CN103773295B (en) * | 2014-02-20 | 2016-08-31 | 广东能辉新材料科技有限公司 | A kind of for PE thin film back painting pressure sensitive adhesive and preparation method thereof |
| CN103992765B (en) * | 2014-06-10 | 2016-09-28 | 饶秀琴 | A kind of macromolecule memory material and preparation method thereof |
| CN109528486A (en) * | 2019-01-15 | 2019-03-29 | 河南羚锐制药股份有限公司 | A kind of self-heating smoke-less moxibustion plaster |
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| US1800289A (en) * | 1928-10-22 | 1931-04-14 | Goldberger Franz | Device for skeining hanks on the reel |
| US5719226A (en) * | 1995-09-15 | 1998-02-17 | Shell Oil Company | Low viscosity hot melt disposables adhesive composition |
| CN100420726C (en) * | 2005-09-19 | 2008-09-24 | 上海安立霸电器有限公司 | Hot-melt pressure-sensitive adhesive type matrix for medical use and its preparation |
| CN101288772B (en) * | 2008-05-31 | 2011-02-02 | 甘肃奇正藏药有限公司 | Novel medical hot melt resin carrier gel matrix and its preparation method and application |
| CN102743674A (en) * | 2012-07-19 | 2012-10-24 | 重庆陪都药业股份有限公司 | Chinese compound formula rheumatalgia-relieving plaster emplastrum |
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Address after: 245400 Wanning Industrial Park, Xiuning County, Anhui, Huangshan City Patentee after: HUANGSHAN XINDECHENG GLUE INDUSTRY Co.,Ltd. Address before: 245400 Wanning Industrial Park, Xiuning County, Anhui, Huangshan City Patentee before: Huangshan Xiuning Xindecheng Chemicals Co.,Ltd. |
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