CN104130737A - Polyester-polyamide hot melt adhesive composition and preparation method thereof - Google Patents
Polyester-polyamide hot melt adhesive composition and preparation method thereof Download PDFInfo
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- CN104130737A CN104130737A CN201310159432.2A CN201310159432A CN104130737A CN 104130737 A CN104130737 A CN 104130737A CN 201310159432 A CN201310159432 A CN 201310159432A CN 104130737 A CN104130737 A CN 104130737A
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Abstract
The invention relates to a polyester-polyamide hot melt adhesive composition and a preparation method thereof. The composition comprises, by weight, 60-90 parts of a polyester hot melt adhesive, 10-40 parts of a polyamide hot melt adhesive and 1-8 parts of a carbodiimide compound. The polyester-polyamide hot melt adhesive composition has advantages of being low in glass-transition temperature and hardness, being good in flexibility and oil-resistivity, being wide in operation temperature range and being good in adhesive performance.
Description
Technical field
The present invention relates to a kind of hot-melt adhesive composition and application thereof, particularly relate to a kind of polyester-polyamide hot-melt adhesive composition and application thereof.
Prior art
It is solid-state that hot melt adhesive is that a class is at room temperature, and after heating and melting, is in a liquid state, and coats after adherend, through pressing, cooling, can complete at short notice bonding tackiness agent.Polyester hot-melt adhesive is a kind of environmental protection, free of contamination green tackiness agent, except thering is hot melt adhesive containing chemical solvents, the total advantage such as pollution-free, also there is bonding strength high, institute's adhesives is more extensive, very outstanding to the adhesiveproperties of pole filter material, and there is the good feature such as electrical property, oil-proofness, therefore in many Application Areass, there is development prospect widely.
But there is the poor problem of low temperature flexibility in most of polyester hot-melt adhesive, especially dystectic polyester hot-melt adhesive, its hardness is high, generally there is higher second-order transition temperature (Tg>-5 DEG C), the easy embrittlement of glue-line, thereby be limited in development use in some field.As along with low-carbon environment-friendly expanding economy, people start car hollow air cleaner to adopt cleaning way to increase the service life, demand one can oil resistant (gasoline), can accomplish again to there is lower second-order transition temperature (Tg<-20C), there is the hot melt adhesive product of fine flexibility.This product has expanded the environment use range of material, promotes the bond properties of glue to base material, the multiple material such as paper, fabric is had good bonding.
Summary of the invention
The object of this invention is to provide a kind of polyester-polyamide hot-melt adhesive composition.Said composition has lower second-order transition temperature, and soft has good flexibility, and material oil-proofness is good, use temperature wide ranges, and adhesiveproperties is good.
The carbodiimide compound of the polyester hot-melt adhesive that polyester-polyamide hot-melt adhesive composition of the present invention comprises 60-90 weight part, the polyamide hot of 10-40 weight part and 1-8 weight part.
The preparation method of polyester-polyamide hot-melt adhesive composition of the present invention comprises the steps:
A) polyester hot-melt adhesive, dimeric acid type polyamide hot melt adhesive and compatilizer carbodiimide are mixed, form compound,
B) by described compound, melt extrude, obtain required product.
Polyester-polyamide hot-melt adhesive composition of the present invention has advantages of second-order transition temperature and hardness is low, flexibility and oil-proofness is good, use temperature wide ranges and adhesiveproperties good.
Embodiment:
One preferred embodiment in, the carbodiimide compound of the polyester hot-melt adhesive that polyester-polyamide hot-melt adhesive composition of the present invention comprises 65-85 weight part, the polyamide hot of 15-35 weight part and 1-7 weight part:
In the present invention, polyester hot-melt adhesive used comprises fatty polyamide hot melt adhesive, aromatic polyamide hot melt adhesive or their mixture.For example, in the present invention, polyester hot-melt adhesive used is dibasic acid component and C
2-6the polycondensation product of diol component.Described dibasic acid component comprises binary aliphatic acid constituents, aromatic dicarboxylic acid constituents or their mixture, preferably comprises aromatic acid and non-essential C
4-12aliphatic dibasic acids component.
Above-mentioned aromatic acid comprises terephthalic acid, m-phthalic acid, phthalic acid, naphthalic acid or their mixture, preferably includes terephthalic acid, m-phthalic acid or its mixture.
Above-mentioned aliphatic dibasic acid is preferably C
4-12aliphatic dicarboxylic acid, more preferably C
4-8aliphatic dicarboxylic acid.
C
4-12aliphatic dicarboxylic acid's example comprises succinic acid, pentanedioic acid, hexanodioic acid, pimelic acid, suberic acid, nonane diacid, sebacic acid, 11 methylene radical dicarboxylic acid and ten dimethylene dicarboxylic acid or their mixture, preferably succinic acid, hexanodioic acid, suberic acid, sebacic acid or their mixture, be more preferably succinic acid, hexanodioic acid and sebacic acid.
Above-mentioned di-carboxylic acid also can be by their C
1-4alkyl ester substitutes.These C
1-4the example of alkyl ester comprises dimethyl terephthalate (DMT), diethyl terephthalate, terephthalic acid dipropyl, dibutyl terephthalate, dimethyl isophthalate, dimethyl isophthalate, m-phthalic acid dipropyl, m-phthalic acid dibutylester, dimethyl adipate, Polycizer W 260, NSC 52563, pimelic acid dibutylester, suberic acid dimethyl ester, suberic acid dibutylester, dimethyl azelate, dibutyl azelate, dimethyl sebacate, Uniflex DBS, ten dimethylene dimethyl dicarboxylates, ten dimethylene dicarboxylic acid dibutylesters or their mixture.Preferably dimethyl terephthalate (DMT), dimethyl isophthalate, dimethyl adipate, suberic acid dimethyl ester, dimethyl sebacate or their mixture.
Above-mentioned C
2-6diol component for example comprises at least one dibasic alcohol being selected from ethylene glycol, propylene glycol, butyleneglycol, pentanediol, hexylene glycol, glycol ether and Triethylene glycol.Above-mentioned dibasic alcohol can use separately, also can two or more mix use.
The number-average molecular weight Mn that is applicable to polyester hot melting gum resin of the present invention is generally 10,000～100, and 000, be preferably 10,000～80,000.
The melt viscosity (200 DEG C) that is applicable to polyester hot melting gum resin of the present invention is generally 20,000～100,000mPa.s, is preferably 20,000～80,000mPa.s.
The softening temperature that is applicable to polyester hot melting gum resin of the present invention is generally 100-200 DEG C, is preferably 130-190 DEG C.
Polyamide hot used in the present invention is preferably dimeric acid type polyamide hot melt adhesive.Dimeric acid type polyamide hot melt adhesive preferably comprises dimeracid polymerized unit and the polyamines polymerized unit of unsaturated aliphatic.Polyamines polymerized unit is by C
2-18at least one composition in aliphatie diamine.
Above-mentioned unsaturated aliphatic dimeracid polymerized unit is C
16-20the dimeracid polymerized unit of unsaturated fatty acids, for example, by linoleic acid dimer, dimerization oleic acid, dimerization linolenic acid, dimerization elaidic acid, dimerization behenic acid and the derivative polymerized unit of dimerization eleostearic acid.Preferably C
18the dimeracid polymerized unit that unsaturated fatty acids is derivative, for example, by linoleic acid dimer, dimerization oleic acid, dimerization linolenic acid, dimerization elaidic acid, the derivative polymerized unit of dimerization behenic acid.
The dimeracid content of the dimeric acid type polyamide hot melt adhesive that the present invention adopts preferably more than 65wt%, more preferably 75～95wt%, three acid contents preferably below 15wt%, more preferably 3～10wt%; Below the preferred 5wt% of single acid content, more preferably content is at 1～3wt%.
One preferred embodiment in, a part of dimer acid type polymerized unit can be by C
6-12aliphatic dicarboxylic acid unit substitutes, preferably by C
6-10aliphatic dicarboxylic acid unit substitutes.C
6-12the add-on of aliphatic dicarboxylic acid unit should be no more than 40% of dimeracid polymerized unit total mole number, is preferably no more than 30%.
Above-mentioned C
6-12aliphatic dicarboxylic acid unit is by C
6-12aliphatic dicarboxylic acid is derivative to be obtained.C
6-12aliphatic dicarboxylic acid for example comprises hexanodioic acid, pimelic acid, suberic acid, sebacic acid, dodecanedioic acid or its mixture, and preferred example comprises suberic acid, sebacic acid, dodecanedioic acid or its mixture.Preferred example is sebacic acid.
Polyamines polymerized unit in the present invention comprises C
2-18at least one in aliphatie diamine and polyetheramine.
The example of above-mentioned aliphatie diamine comprises that quadrol, propylene diamine, butanediamine, pentamethylene diamine, 2 methyl pentamethylenediamine, hexanediamine, octamethylenediamine, dodecane diamines, heterocyclic diamine are as piperazine, tolylene diamine, pyridine diamines and composition thereof, and preferred example comprises C
2-8aliphatie diamine, as quadrol, propylene diamine, butanediamine, hexanediamine, piperazine or its mixture, preferred example is quadrol.
Above-mentioned polyether polyamine polymerized unit obtains by polyether polyamine is derivative.Polyether polyamine comprises having 2-5, preferably 2-3 the polyethers that end is amino, and molecular weight is generally 150～2500, is preferably 200～2000.
The number-average molecular weight Mn that is applicable to polyamide hot resin of the present invention is generally 5,000～50, and 000, be preferably 10,000～40,000.
The second-order transition temperature that is applicable to polyamide hot resin of the present invention is generally≤and-20 DEG C, for≤-30 DEG C, more preferably≤-40 DEG C.
The melt viscosity (200 DEG C) that is applicable to polyamide hot resin of the present invention is generally 5,000～50,000mPa.s, is preferably 10,000～30,000mPa.s.
The softening temperature that is applicable to polyamide hot resin of the present invention is generally 100-200 DEG C, is preferably 130-190 DEG C.
In the present invention, compatilizer carbodiimide compound used can comprise monomer carbodiimide, polycarbodiimide or its mixture.It is the compound of contain-N=C=N-group.Preferably polycarbodiimide compound.In the time that polyester hot-melt adhesive adds polyamide hot blend, contain two polycarbodiimide compounds more than carbodiimide group and played good expanding material effect, on the one hand can with the carboxyl reaction of polyester, another aspect can with polymeric amide in free amino react, thereby obtain the hot-melt adhesive composition of excellent performance.
Above-mentioned carbodiimide compound is commercially available prod.The Stabaxol-1 that has German Lanxess Corporation Lay mattress chemistry, Stabaxol – P, Stabaxol – P100, Stabaxol – P200 series product that domestic market application is many.
Except above-mentioned polyester hot-melt adhesive, polyamide hot and carbodiimide compound, polyester-polyamide hot-melt adhesive composition of the present invention also can contain additive conventional in this area, as anti-aging agent, oxidation inhibitor, filler, static inhibitor or their mixture.In the present invention, anti-aging agent used is preferably commercially available various amines antioxidantss, particularly fragrant amines antioxidants, for example include but not limited to by the dibasic phenylenediamine of aryl or naphthylene diamine, preferably by the dibasic phenylenediamine of phenyl or naphthyl or naphthylene diamine, more preferably by the dibasic phenylenediamine of phenyl or naphthyl.Most preferred object lesson is N, N '-diphenyl-para-phenylene diamine, 4,4 '-bis-(4-alpha, alpha-dimethylbenzyl) pentanoic, N, N '-bis--betanaphthyl Ursol D or their mixture.
The preferred preparation method of polyester-polyamide hot-melt adhesive composition of the present invention comprises the steps: dried polyester hot-melt adhesive, dimeric acid type polyamide hot melt adhesive to add in V-type mixer, then add compatilizer carbodiimide compound, fragrant amines antioxidants, mix 5～10 minutes, obtain compound.Compound through screw extrusion press melt extrude, water-cooled, pelletizing, obtain polyester-polyamide hot-melt adhesive composition.
Above-mentioned screw extrusion press comprises single screw extrusion machine and twin screw extruder, and the temperature melt extruding is higher 1～20 DEG C than the fusing point of polyester hot-melt adhesive, preferred high 5-15 DEG C.
The polyester-polyamide hot-melt adhesive composition of gained of the present invention, compared with polyester hot-melt adhesive, there is lower second-order transition temperature, lower hardness and melt viscosity, compared with dimer acid polyamide hot melt adhesive, oil-proofness good (particularly resistance to gasoline), the polyamide hot of selecting temperature to match carries out blend, and the polyester-polyamide hot-melt adhesive composition fusing point obtaining is not affected, and adhesive property is good.
In order to further illustrate technique effect of the present invention, will be illustrated by embodiment below.
Mensuration and the evaluation method of indices of the present invention are as follows:
The testing method of fusing point: on the 823e thermal-analysis instrumentation of Mettler company of Switzerland, measure by GB/T19466.3-2004 " plastics dsc (DSC) the 3rd part: the mensuration of temperature and enthalpy of melting and crystallization ".
The testing method of melt viscosity: the 10g polyester-polyamide hot-melt adhesive composition sample of accurately weighing, in baking oven, dry moisture, adopt the test of Brookfield DV-II+Pro type rotational viscosimeter, 200～232 DEG C of probe temperatures, rotor S27, record the rotor melt viscosity value that dial plate shows after 30min that runs up, rotating speed is adjusted according to practical situation.
The testing method of second-order transition temperature: on the 823e thermal-analysis instrumentation of Mettler company of Switzerland, undertaken by the regulation of GB/T19466.2-2004 " plastics dsc (DSC) part 2: the mensuration of second-order transition temperature ".
The mensuration of hardness: with reference to GB/T531.1 and GB/T531.2 test.
T-shaped stripping strength: polyester-polyamide hot-melt adhesive composition is applied to the wide surface of cotton fabric for 15mm, and glue consumption is about 40g/m
2, after compound another cotton fabric, be placed under test condition after 12h, be that GT-AI-3000 tension testing machine carries out stripping performance test in model.
Oil-proofness test: polyester-polyamide hot-melt adhesive composition is made to 50 × 20 × 4mm sheet, and record is initially weighed, immerses under normal temperature in gasoline 96 hours.According to the corrosive nature test foundation of copolymerized macromolecule material, regulation swelling is less than 5% for excellent, is greater than 20% for dissolved destruction, and centre is swelling.Test result G represents insoluble (changes in weight≤5%), E represents swelling (changes in weight > 5%, ≤ 10%), E+ represents swelling (changes in weight > 10%, ≤ 15%), E++ represents swelling (changes in weight > 15% ,≤20%), and F represents dissolving.
Embodiment
Embodiment 1
By polyester hot-melt adhesive (trade mark LR-PES-185, purchased from Liri Chemical New Materials Co., Ltd. Shanghai, 172 DEG C of fusing points, melt viscosity 30600mPa.s/232 DEG C) 70 weight parts, polyamide hot (trade mark LR-ZSB-180, purchased from Liri Chemical New Materials Co., Ltd. Shanghai, softening temperature: 182 DEG C, melt viscosity: 15600mPa.s/200 DEG C, second-order transition temperature :-40 DEG C) 30 weight parts, dry after 4 hours in the baking oven of 105 DEG C, polycarbodiimide (trade mark Stabaxol – P200 with 3 weight parts, from Lanxess Corporation's Lay mattress chemistry) and 2 weight parts 4, 4 '-bis-(4-α, α-dimethylbenzyl) pentanoic (trade mark KY405 is purchased from Jiangsu Feiya Chemistry Industry Co.,Ltd) V-type mixer mix 5 minutes, then add in twin screw extruder in 185 DEG C of melt blendings, extrude, water-cooled, pelletizing obtains polyester-polyamide hot-melt adhesive composition.The indices of test composition, in table 1.
Embodiment 2-6
Five embodiment are undertaken by the step and method identical with embodiment 1 below, and difference is raw material, polycarbodiimide amount and melt extrudes temperature, and as shown in table 1 below, the analytical results of products therefrom is also listed in table 1.
Table 1 embodiment 1-6
The above-mentioned polyester of table 2, polyamide hot monomer performance index
From above-mentioned table 1, table 2, can see: embodiment 1-6 adopts carbodiimide to do compatilizer, makes polyester and polymeric amide have good consistency, thereby obtains the hot-melt adhesive composition of excellent performance.Compared with polyester hot-melt adhesive, there is lower second-order transition temperature, lower hardness and melt viscosity, compared with dimer acid polyamide hot melt adhesive, oil-proofness good (particularly resistance to gasoline), the polyamide hot of selecting temperature to match carries out blend, the polyester-polyamide hot-melt adhesive composition fusing point obtaining is not affected, and adhesive property is good.
Claims (10)
1. a polyester-polyamide hot-melt adhesive composition, the carbodiimide compound of the polyester hot-melt adhesive that it comprises 60-90 weight part, the polyamide hot of 10-40 weight part and 1-8 weight part.
2. polyester-polyamide hot-melt adhesive composition as claimed in claim 1, the carbodiimide compound of the polyester hot-melt adhesive that it comprises 65-85 weight part, the polyamide hot of 15-35 weight part and 1-7 weight part.
3. polyester-polyamide hot-melt adhesive composition as claimed in claim 1 or 2, is characterized in that, described polyester hot-melt adhesive comprises fatty polyamide hot melt adhesive, aromatic polyamide hot melt adhesive or their mixture.
4. polyester-polyamide hot-melt adhesive composition as claimed in claim 3, is characterized in that, the number-average molecular weight Mn of described polyester hot-melt adhesive is 10,000～100,000, is preferably 10,000～80,000.
5. polyester-polyamide hot-melt adhesive composition as claimed in claim 1 or 2, is characterized in that, described polyamide hot is dimeric acid type polyamide hot melt adhesive.
6. polyester-polyamide hot-melt adhesive composition as claimed in claim 5, is characterized in that, the number-average molecular weight Mn of described polyamide hot is 5,000～50,000, is preferably 10,000～40,000.
7. polyester-polyamide hot-melt adhesive composition as claimed in claim 1 or 2, is characterized in that, described carbodiimide compound comprises monomer carbodiimide, polycarbodiimide or their mixture.
8. polyester-polyamide hot-melt adhesive composition as claimed in claim 1 or 2, is characterized in that, it also comprises 0.5-3 weight part anti-aging agent.
9. polyester-polyamide hot-melt adhesive composition as claimed in claim 8, is characterized in that, described anti-aging agent is amines antioxidants.
10. the preparation method of polyester-polyamide hot-melt adhesive composition as claimed in any one of claims 1-9 wherein, it comprises the steps:
A) polyester hot-melt adhesive, dimeric acid type polyamide hot melt adhesive and compatilizer carbodiimide are mixed, form compound,
B), by described compound, melt extrude.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105505276A (en) * | 2015-12-31 | 2016-04-20 | 林初煌 | Low-temperature-resistant hot-melt adhesive for optical fiber cable |
| CN111961341A (en) * | 2020-08-25 | 2020-11-20 | 宁波公牛电器有限公司 | Composite material, preparation method thereof, fixing frame and wall switch |
| CN112543606A (en) * | 2018-07-31 | 2021-03-23 | 帝斯曼知识产权资产管理有限公司 | Method for monitoring mattress quality |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497775A (en) * | 2008-02-02 | 2009-08-05 | 上海轻工业研究所有限公司 | Preparation of hydrolysis resisting polyester hot-melt adhesive |
| JP2012158691A (en) * | 2011-02-01 | 2012-08-23 | Alps Electric Co Ltd | Sealing material |
| US20130043058A1 (en) * | 2011-08-17 | 2013-02-21 | Hitachi Cable, Ltd. | Adhesive film and flat cable |
| CN103003382A (en) * | 2010-07-26 | 2013-03-27 | 曼·胡默尔有限公司 | Hotmelt adhesive and process for preparing a hotmelt adhesive |
-
2013
- 2013-05-02 CN CN201310159432.2A patent/CN104130737B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497775A (en) * | 2008-02-02 | 2009-08-05 | 上海轻工业研究所有限公司 | Preparation of hydrolysis resisting polyester hot-melt adhesive |
| CN103003382A (en) * | 2010-07-26 | 2013-03-27 | 曼·胡默尔有限公司 | Hotmelt adhesive and process for preparing a hotmelt adhesive |
| JP2012158691A (en) * | 2011-02-01 | 2012-08-23 | Alps Electric Co Ltd | Sealing material |
| US20130043058A1 (en) * | 2011-08-17 | 2013-02-21 | Hitachi Cable, Ltd. | Adhesive film and flat cable |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105505276A (en) * | 2015-12-31 | 2016-04-20 | 林初煌 | Low-temperature-resistant hot-melt adhesive for optical fiber cable |
| CN112543606A (en) * | 2018-07-31 | 2021-03-23 | 帝斯曼知识产权资产管理有限公司 | Method for monitoring mattress quality |
| US11490740B2 (en) | 2018-07-31 | 2022-11-08 | Covestro (Netherlands) B.V. | Method of monitoring the quality of a mattress |
| CN111961341A (en) * | 2020-08-25 | 2020-11-20 | 宁波公牛电器有限公司 | Composite material, preparation method thereof, fixing frame and wall switch |
| CN111961341B (en) * | 2020-08-25 | 2022-10-21 | 宁波公牛电器有限公司 | Composite material, preparation method thereof, fixing frame and wall switch |
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