CN103333649A - 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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- CN103333649A CN103333649A CN2013102133696A CN201310213369A CN103333649A CN 103333649 A CN103333649 A CN 103333649A CN 2013102133696 A CN2013102133696 A CN 2013102133696A CN 201310213369 A CN201310213369 A CN 201310213369A CN 103333649 A CN103333649 A CN 103333649A
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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 the thermotropic pressure sensitive sizing agent, be specifically related to a kind of preparation method of hot melt pressure sensitive plaster substrate glue.
Background technology
The pressure-sensitive adhesive agent be a kind of in the bonding process to pressure-sensitive from gummous substance, it just can form more firm cohesive force under less action force.Hot-fusible pressure-sensitive adhesive is wherein a kind of, and it can produce splendid thermal viscosity under the situation of a little higher than room temperature, at room temperature is solid state, can produce firm cohesive force with finger or light pressure.Compare with common hot-fusible pressure-sensitive adhesive, hot melt pressure sensitive plaster substrate glue is wanted and skin contact, therefore must have hypoallergenic, stripping strength that water vapour permeability is good, moderate, and force of cohesion prevents the residual skin of glue preferably, 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 the red lead.The heating back forms glutinous paste and play adhesive effect in plaster substrate.The red lead is poisonous, and is harmful.The leaded easy embrittlement of plaster prolonged preservation needs heating before using, and treats that plaster could use after softening, takes the vestige that can stay plaster at skin off.In the leaded plaster preparation process, oily temperature need reach 320 ℃, the effective constituent destructible of other medicinal materials that plaster is contained, and the difficult control of technology.Chinese patent 200410011196.0 discloses a kind of traditional Chinese medical science lead-free plaster matrix and preparation method who belongs to the traditional Chinese medicine field, and its component comprises rosin, Fructus Cnidii kuh-seng, the bletilla striata, plaster stone, moxa, Vaseline, beeswax, honey, sesame oil.The preparation method comprises: rosin is boiled into Vandyke brown with moderate heat and pours container into, forms tabular back knock fritter; Fructus Cnidii, kuh-seng, the bletilla striata, gypsum powder are broken into fine powder; Tarragon is pulverized, remove smalls, stay moxa; Vaseline is boiled into liquid state with moderate heat, gets block rosin, beeswax, honey, sesame oil and adds simultaneously and be boiled into pasty state and form oily suede; Block rosin is fused into pasty state with moderate heat, oily suede is poured into rosin stir evenly, and again Fructus Cnidii, kuh-seng, plaster stone, bletilla striata fine powder is dropped into and stirs evenly, and black to be boiled into is poured in the cold water, takes out when the plaster temperature drops to 40 ℃.But this method technology is loaded down with trivial details and the difficult fusion of other medicinal materials is used; Also be not suitable for suitability for industrialized production in addition.
The medical hot melt pressure sensitive matrix of more application on plaster is also arranged 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 the ointment preparation; The main component of this hot-fusible pressure-sensitive adhesive is vinylbenzene thermoplastic elastomer 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 have well anti-aging, oxidative degradation effect; Big with this transdermal administration plaster product drug loading that makes, strong drug action.But this invention is not mentioned the problem of the easy residual skin of colloid and is solved.
Plaster substrate should have not to allergic, well anti-aging, oxidative degradation effect is arranged, and drug loading is big.Plaster substrate also should be considered tack, stripping strength, ageing-resistant performance, force of cohesion etc. in addition; Make and the perfect use of plaster also do not have matrix residual.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of hot melt pressure sensitive plaster substrate glue.Guaranteeing plaster substrate not to allergic, when having well anti-aging, oxidative degradation effect and drug loading big, solving present plaster substrate force of cohesion and cause the residual problem of matrix inadequately well.
The method that solves the problems of the technologies described above provides a kind of like this preparation method of hot melt pressure sensitive plaster substrate glue, and heat-obtaining thermoplastic elastic SIS5～25 part, 5～25 parts of thermoplastic elastomer SBSs, thermoplastic elastomer SEPS5～20 part, 5～30 parts of C5 petroleum resin, 5～30 parts of C5/C9 copolymerized petroleum resins, 10～30 parts of Gum Rosins, naphthenic oil KNH401010～30 part, antioxidant BHT are 2641～2 parts by weight; Again described thermoplastic elastomer SIS, SBS, SEPS, naphthenic oil KNH4010 are added reactor simultaneously, feed nitrogen and under 130～160 ℃ of temperature, stir fusion 60～100 minutes then, again described C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin are added reactor, fusion mixed 60～90 minutes between 140～160 ℃, adding antioxidant BHT 264 at last mixes, and vacuumize removal bubble, discharging, cooling forming.
Preferably, 2641 parts of heat-obtaining thermoplastic elastic SIS20 parts, 5 parts of thermoplastic elastomer SBSs, thermoplastic elastomer SEPS5 part, 10 parts of C5 petroleum resin, 10 parts of C5/C9 copolymerized petroleum resins, 30 parts of Gum Rosins, naphthenic oil KNH401020 part, antioxidant BHT by weight.
In order to improve the unalterable of black plaster, be fit to the sale of product, be that 1～2 part pigment adds reactor with C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin with weight part.Described pigment colored composition is one or more that food grade famille rose, food grade light blue, food grade are lemon yellow, the food grade temptation is red.
It is known forming whole component itself of the present invention, can be by commercially available.
The present invention adopts with SIS, SBS and SEPS thermoplastic elastomer as material of main part, the SIS thermoplastic elastomer is that the hot-fusible pressure-sensitive adhesive of main body itself just has very good tack and peeling force, but cohesive strength is lower than SBS relatively, cause glue-line to transfer on the skin, pollute skin, therefore in SIS, add SBS, the defective that can remedy.SEPS is the hydrogenation type styrene analog thermoplastic elastomer, has excellent elasticity and physical strength, at high temperature is difficult for generating gel, lower temperature resistance, resistance to elevated temperatures is good, tensile strength is high, and make hot-fusible pressure-sensitive adhesive have lower melt viscosity, and be conducive to coating, improve drug loading.Select for use these three kinds of thermoplastic elastomers as material of main part, get each chief, cover the shortage.The hot-fusible pressure-sensitive adhesive that makes has that tack is good, and peeling force is big, and ageing-resistant performance is good, the advantage that cohesive strength is big.
Tackifying resin of the present invention adopts C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin.Itself does not have initial cohesiveness thermoplastic elastomer, must add tackifying resin and tenderizer, difference according to solubleness in the thermoplastic elastomer two-phase, tackifying resin can be divided into three kinds, the present invention select for use can only be compatible with rubber phase C5 petroleum resin, Gum Rosin and two-phase compatible C5/C9 copolymerized petroleum resin all, 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; Two-phase all compatible C5/C9 copolymer resins 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 the affinity higher with collet or plastic basis material.Use above three kinds of tackifying resins, the hot-fusible pressure-sensitive adhesive that makes has tack, peeling force preferably, higher modulus of elasticity and cohesive strength, and have with non-polar material and to unite performance preferably.
The tenderizer that the present invention uses is naphthenic oil KNH4010.Tenderizer claims softening agent again, and the purpose of using softening agent is in order to reduce the melt viscosity of glue, to be conducive to coating; Can improve initial cohesiveness 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 fully, cohesive strength that can MIN reduction glue.And naphthenic oil has the ageing-resistant performance that low volatility, low-viscosity, low density are become reconciled, and price is also lower.If mix a small amount of aromatic series mineral oil composition in the aliphatics mineral oil, though content have only 2%～3% also can be dissolved in plastics mutually in, and draw its sizing agent cohesive strength and descend.Use the hot-fusible pressure-sensitive adhesive of naphthenic oil KNH4010 preparation to have higher cohesive strength, tack and improve lower temperature resistance preferably, lower melting viscosity is conducive to coating, improves drug loading.
The present invention adopts with 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 hot melt pressure sensitive plaster basis glue that is made into has viscosity, peeling force is big, and force of cohesion is strong, and is good with the Chinese herbal medicine extract intermiscibility, drug loading is big, ageing-resistant performance is good, and resistance to low temperature is good, and has with non-polar material and to unite performance preferably.
The invention has the beneficial effects as follows that it is good and peeling force is big that plaster substrate glue of the present invention has a tack, ageing-resistant performance is good, the advantage that cohesive strength is big.Have with non-polar material and to unite performance preferably, be conducive to coating.Plaster substrate glue is peeled off back matrix noresidue not to allergic and drug loading is big during use.And the product that can prepare different colours.
Do detailed explanation below in conjunction with the present invention of embodiment.
Embodiment
Embodiment 1: a kind of hot melt pressure sensitive 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 under 130 ℃ of temperature, to stir fusion 60 minutes, again with C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin, the carmine reactor that adds of food grade, mixed 60 minutes 140 ℃ of fusions, adding oxidation inhibitor at last is that BHT264 mixes.And vacuumize the removal bubble, and discharging, cooling forming, namely.
Embodiment 2: a kind of hot melt pressure sensitive 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 under 150 ℃ of temperature, to stir fusion 70 minutes, again C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin are added reactor, mixed 70 minutes 150 ℃ of fusions, add oxidation inhibitor at last and mix, and vacuumize the removal bubble, discharging, cooling forming, namely.
Embodiment 3: a kind of hot melt pressure sensitive 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, the lemon yellow 25g of food grade, 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 under 150 ℃ of temperature, to stir fusion 80 minutes, again with C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin, food grade light blue, the lemon yellow adding reactor of food grade, mixed 90 minutes 160 ℃ of fusions, adding antioxidant BHT 264 at last mixes, and vacuumize the removal bubble, discharging, cooling forming, namely.
Embodiment 4: a kind of hot melt pressure sensitive 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 under 160 ℃ of temperature, to stir fusion 90 minutes, again C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin are added reactor, fusion mixes between 150 ℃, adds antioxidant BHT 264 at last and mixes, and vacuumize the removal bubble, discharging, cooling forming, namely.
Embodiment 5: a kind of hot melt pressure sensitive plaster substrate glue and preparation thereof
Get the component of following weight part: it is BHT26410g that 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, the lemon yellow 25g of food grade, food grade lure red 25g, oxidation inhibitor.
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 under 150 ℃ of temperature, to stir fusion 100 minutes, C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin food grade is lemon yellow, food grade lures red adding reactor again, mix 150 ℃ of fusions, adding oxidation inhibitor at last is that BHT264 mixed 90 minutes, and vacuumize the removal bubble, discharging, cooling forming, namely.
Embodiment 1～5 prepared hot-melting type plaster patch is with the performance index of basic glue, the melting viscosity measuring method is with reference to industry standard HG/T3660-1999 " mensuration of hot melt adhesive melt viscosity ", the stripping strength measuring method is with reference to standard GB 2792-1998 " pressure-sensitive adhesive tape 180 peeling strength test methods ", the softening point measurement method is with reference to standard GB/T15332-94 " the mensuration ring and ball method of hot melt adhesive softening temperature ", and the initial bonding strength measuring method is with reference to standard GB/T4852-2002 " pressure-sensitive adhesive tape tack test method (rolling ball method mensuration) ".The result is as shown in the table:
The specific performance of the hot melt pressure sensitive plaster substrate glue of the present invention's preparation is as follows: outward appearance: black or other colors (pigment decision), and evenly bright and clean, be viscoelastic solid under the normal temperature; @160 ℃ of melt viscosity (): 2000～10000mpas; Stripping strength: 〉=10N/25mm; Softening temperature (ring and ball method): 〉=65 ℃; Initial bonding strength: 〉=8# steel ball.
Claims (4)
1. the preparation method of a hot melt pressure sensitive plaster substrate glue, heat-obtaining thermoplastic elastic SIS5～25 part, 5～25 parts of thermoplastic elastomer SBSs, thermoplastic elastomer SEPS5～20 part, 5～30 parts of C5 petroleum resin, 5～30 parts of C5/C9 copolymerized petroleum resins, 10～30 parts of Gum Rosins, 10～30 parts of naphthenic oil KNH4010,264 1～2 parts of antioxidant BHTs by weight; Again described thermoplastic elastomer SIS, thermoplastic elastomer SBS, thermoplastic elastomer SEPS, naphthenic oil KNH4010 are added reactor simultaneously, feed nitrogen and under 130～160 ℃ of temperature, stir fusion 60～100 minutes then; Again described C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin are added reactor, fusion mixed 60～90 minutes between 140～160 ℃; Add antioxidant BHT 264 at last and mix, and vacuumize removal bubble, discharging, cooling forming.
2. the preparation method of hot melt pressure sensitive plaster substrate glue as claimed in claim 1 is characterized in that: heat-obtaining thermoplastic elastic SIS20 part, 5 parts of thermoplastic elastomer SBSs, thermoplastic elastomer SEPS5 part, 10 parts of C5 petroleum resin, 10 parts of C5/C9 copolymerized petroleum resins, 30 parts of Gum Rosins, 20 parts of naphthenic oil KNH4010,264 1 parts of antioxidant BHTs by weight.
3. the preparation method of hot melt pressure sensitive plaster substrate glue as claimed in claim 1 is characterized in that: the pigment of getting weight part and be 1～2 part adds reactor with C5/C9 copolymerized petroleum resin, C5 petroleum resin, Gum Rosin.
4. the preparation method of hot melt pressure sensitive plaster substrate glue as claimed in claim 3 is characterized in that: one or more that described pigment colored composition is food grade famille rose, food grade light blue, food grade is lemon yellow, the food grade temptation is red.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773295A (en) * | 2014-02-20 | 2014-05-07 | 惠州市能辉化工有限公司 | Pressure sensitive adhesive for back coating PE (Polyethylene) film and preparation method of pressure sensitive adhesive |
| CN103992765A (en) * | 2014-06-10 | 2014-08-20 | 饶秀琴 | Novel nanoscale high molecular 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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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US1800289A (en) * | 1928-10-22 | 1931-04-14 | Goldberger Franz | Device for skeining hanks on the reel |
| CN1198768A (en) * | 1995-09-15 | 1998-11-11 | 国际壳牌研究有限公司 | Low viscosity hot melt disposables adhesive composition |
| CN1800289A (en) * | 2005-09-19 | 2006-07-12 | 上海安立霸电器有限公司 | Hot-melt pressure-sensitive adhesive type matrix for medical use and its preparation |
| CN101288772A (en) * | 2008-05-31 | 2008-10-22 | 甘肃奇正藏药有限公司 | Novel medical hot melt resin carrier gel matrix and its preparation method and application |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773295A (en) * | 2014-02-20 | 2014-05-07 | 惠州市能辉化工有限公司 | Pressure sensitive adhesive for back coating PE (Polyethylene) film and preparation method of pressure sensitive adhesive |
| 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 |
| CN103992765A (en) * | 2014-06-10 | 2014-08-20 | 饶秀琴 | Novel nanoscale high molecular memory material 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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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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