CN105199299B - A kind of secondary injection adhering thermoplastic elastomer (TPE) - Google Patents
A kind of secondary injection adhering thermoplastic elastomer (TPE) Download PDFInfo
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- CN105199299B CN105199299B CN201510695298.7A CN201510695298A CN105199299B CN 105199299 B CN105199299 B CN 105199299B CN 201510695298 A CN201510695298 A CN 201510695298A CN 105199299 B CN105199299 B CN 105199299B
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Abstract
The invention discloses a kind of and nylon material product secondary injection adhering thermoplastic elastomer (TPE), product for needs claddings such as electric tool handle, case and bag handles, possess anti-skidding effect after coating thermoplastic elastomer, improve the comfort of user, the percentage by weight composition of its raw material is：Thermoplastic elastomer (TPE)：30%~60%, nylon resin：3~5%, polar polymer：3~5%, filling oil：10%~30%, mineral filler：0%~30%, processing aid：0.1%~0.5%.The thermoplastic elastomer (TPE) that the present invention obtains and nylon material product adhesive property are good, and secondary injection adhering injection molding temperature is low, and particularly with the nylon material product of high glass fiber content, its adhesion strength problem is addressed.
Description
Technical field
The present invention relates to polymeric material field, the particularly a kind of and thermoplastic elastomehc of nylon material product secondary injection adhering
Property body.
Background technology
Thermoplastic elastomer (TPE) (Thermoplastic Elastomer-TPE) is also known as thermoplastic elastomer (Thermoplastic
Rubber-TPR it is) that one kind has rubber and the material of thermoplastic characteristic concurrently, thermoplastic elastomers have a variety of possible knots
Structure, most basic one is the need at least two polymer phases disperseed mutually, and at a temperature of normal use, a phase is fluid
(temperature is higher than its Tg glass transition temperatures), another phase are solid (making Tg of the temperature less than it or equal to Tg), and two-phase
Between exist interaction.Show caoutchouc elasticity at normal temperatures, the high polymer material of and can plasticizing forming, has class under high temperature
The mechanical property and performance, and can for being similar to rubber are processed and reclaimed by thermoplastic, it plastics and rubber it
Between erected a bridge block.Therefore, thermoplastic elastomer (TPE) can as thermoplastic fast and effectively, economical be processed into
Type.For processing, it is a kind of plastics；For property, it is a kind of rubber again.Thermoplastic elastomer has many to be better than
The characteristics of thermoset rubber.It is domestic that sBS, thermoplasticity isoamyl two are then referred to as to the butadiene block copolymer of thermoplastic styrene one
The styrene block copolymer of alkene one is referred to as s work S, and hydrogenation saturation type SBS is then referred to as SEBS, i.e. Styrene-ethylene-
Butylene-styrene block copolymer abbreviation, that is, the styrene block of one ethene of styrene, one butylene one are total to
Polymers.Hydrogenate saturation type S works S and be then referred to as SEPS.
The cohesive of the secondary injection adhering of the butadiene block copolymer of thermoplastic styrene one and nylon material is bad, especially
It is higher than 20% PA66 plastic products, the bonding of secondary injection adhering for the nylon material product of high glass fiber content, such as glass fiber content
Sex chromosome mosaicism is difficult to solve for a long time, and existing literature shows, generally improves two by adding polarity graft in the elastomer
Person's cohesive, cohesive can also be improved by adding the general Nylon-type polymer such as nylon 6, nylon66 fiber, for the former, its
It is limited to improve cohesive, test tearing strength is often below 10KN/m, and for it is rear then, add general Nylon-type polymer (ratio
Such as nylon 6, nylon66 fiber, nylon 11, nylon 12, NYLON610, nylon 612, nylon 1010) after, test tearing strength is between 10
Between~15KN/m, think that further raising is very difficult, and because general Nylon-type polymer addition is higher, cause thermoplastic
Property elastomer in secondary injection adhering injection molding, processing temperature improve at least 30 degree, otherwise tearing strength can be less than 10KN/m increasing
Add energy consumption.
The content of the invention
The present invention provides one kind, and the cost of material is low, the good thermoplasticity with nylon material product secondary injection adhering of bond properties
Elastomer.
It is a kind of to be with the thermoplastic elastomer (TPE) of nylon material product secondary injection adhering, its raw material weight percentage composition：
Thermoplastic elastomer (TPE)：30%~60%
Nylon resin：3~5%
Polar polymer：3~5%
Filling oil：10%~30%
Mineral filler：0%~30%
Processing aid：0.1%~0.5%
Described thermoplastic elastomer (TPE) is to hydrogenate the butadiene block copolymer (SEBS) of saturation type thermoplastic styrene one, hydrogen
Change at least one of styrene block copolymer (SEPS) of saturation type thermoplasticity isoprene one.
Described nylon resin be Kai Sai biotech firms special nylon PA56, PA510, PA512, PA514 at least
It is a kind of.With adding general nylon (such as nylon 6, nylon66 fiber, nylon 11, nylon 12, NYLON610, nylon 612, nylon 1010
Deng) compare, the temperature of secondary injection adhering injection molding reduces, after especially with the addition of PA510, PA512, PA514, injection molding temperature
Degree reduction becomes apparent.Described special nylon PA56, PA510, PA512, PA514 inherent viscosity are 1.2~1.8dL/g.Choosing
The nylon for selecting low inherent viscosity advantageously reduces injection temperature.
When using PA56, PA510, PA512, PA514, because these special more general nylon fusing points of nylon are low, and
Containing a large amount of unsaturated hydrogen bonds in PA56, PA510, PA512, PA514, therefore the addition for reducing nylon resin can reach completely
The adhesive property of meaning, while bring the effect for reducing injection molding temperature.When needing tearing strength to reach more than 20KN/m, as long as
PA56, PA510, PA512, PA514 content are improved, but are also no more than 10% (weight ratio).
Described polar polymer is the copolymer-maleic anhydride of styrene one, when thermoplastic elastomer (TPE) needs and glass fiber content
When nylon material product more than 20% bonds, the content of the maleic anhydride in the copolymer-maleic anhydride of styrene one at least exists
More than 20%, the raising effect of tearing strength is more excellent.
Described filling oil for the saturated straight chain alkane oil with higher flash point (200 DEG C of ＞), in naphthenic oil at least
It is a kind of.
Described processing aid, including coupling agent (such as NDZ-101, NDZ-201, KH-550, KH-570), lubricant are (such as
Calcium stearate, zinc stearate, erucyl amide, polydimethylsiloxane), antioxidant (such as 1010,168,1076,1098).
Described mineral filler is at least one of talcum powder, calcium carbonate, barium sulfate, mica powder, kaolin.
During processing, first SEBS is sufficiently mixed after oil uniform, to be filled is blotted completely by resin with filling oil and adds nylon
The components such as resin, polar polymer, mineral filler, processing aid mix in high-speed stirred pot in proportion.Mixed thing
Material by feeder be sent into double screw extruder in, by twin-screw high speed shear, be kneaded, by head extrusion, tie rod, it is air-cooled, cut
Grain, dry and pack.Each section of extruder temperature control is between 160~250 DEG C in preparation method.
Embodiment
The formula (weight ratio) of embodiment 1~13 is shown in Table 1：
The formula (weight ratio) of table 1, comparative example 1 and embodiment 1~12
Nylon resin used in comparative example 1 is PA6, and the nylon resin used in embodiment 1, embodiment 5 and embodiment 9 is
PA56, inherent viscosity are respectively 1.2dL/g, 1.5dL/g, 1.8dL/g, the Buddhist nun used in embodiment 2, embodiment 6 and embodiment 10
Imperial resin is PA510, inherent viscosity 1.5dL/g, and the nylon resin used in embodiment 3, embodiment 7 and embodiment 11 is
PA512, inherent viscosity 1.5dL/g, the nylon resin used in embodiment 4, embodiment 8, embodiment 12 and embodiment 13 are
PA514, inherent viscosity 1.5dL/g.
The horse of comparative example 1 and the copolymer-maleic anhydride of polar polymer styrene one used in embodiment 1~12 in table 1
Carry out anhydride content 22%, the maleic anhydride content of the copolymer-maleic anhydride of polar polymer styrene one used in embodiment 13
12%.
Filling oil in table 1 is the KN4020 of Karamay, Xinjiang oil plant production.
Mineral filler in table 1 is calcium carbonate.
Processing aid in table 1 includes coupling agent KH550, lubricant stearic acid calcium, antioxidant 1010 and irgasfos 168,
Content is respectively 0.1%.
According to the formula extruding pelletization in double screw extruder respectively of table 1, obtained material respectively with it is non-reinforcing pure
The PA66 resins rectangular specimens of PA6 resins and 30% fiberglass reinforced carry out secondary injection adhering injection, secondary injection adhering injection temperature model
Enclose and be shown in Table 2 and table 3. with performance test (method of testing ASTM D-1922)
The injection temperature and tearing strength of table 2, comparative example 1 and embodiment 1~12
The injection temperature and tearing strength of table 3, comparative example 1 and embodiment 1~12
PA6 is used from being molded and being used it was found from performance test, in formula in PA56, PA510, PA512, PA514 and formula
To compare, the injection molding temperature of secondary injection adhering is greatly lowered, and tearing strength raising 2~4 times, especially PA510, PA512,
These three nylon resins of PA514, the injection molding temperature of secondary injection adhering, which is greatly lowered, to be become apparent, the choosing to inherent viscosity
Select, select the nylon resin of relatively low inherent viscosity as far as possible, be more beneficial for reducing injection molding temperature.
When thermoplastic elastomer (TPE) and 30% reinforced plastic PA66 secondary injection adhering, selected maleic anhydride content is up to 22%
The raising of styrene-maleic anhydride copolymer tearing strength becomes apparent, when maleic anhydride content only has 12%, its tearing strength
Substantially not as the former substantially, the present invention is solved for a long time for the nylon material system of high glass fiber content (more than 20%) enhancing
The problem of product secondary injection adhering thermoplastic elastomer (TPE) tearing strength is very low.
It can be used for the needs claddings such as electric tool handle, case and bag handle according to thermoplastic elastomer (TPE) produced by the invention
Product, possess anti-skidding effect after coating thermoplastic elastomer, improve the comfort of user.
Claims (2)
1. a kind of be with nylon material product secondary injection adhering thermoplastic elastomer (TPE), its raw material weight percentage composition：
Described nylon resin uses special nylon PA510, the inherent viscosity 1.5dL/g of Kai Sai biotech firms, or uses
Special nylon PA512, the inherent viscosity 1.5dL/g of Kai Sai biotech firms, or the special nylon using Kai Sai biotech firms
PA514, inherent viscosity 1.5dL/g；
Described polar polymer is styrene-maleic anhydride copolymer, wherein maleic anhydride content 22%；
Described filling oil is the KN4020 of Karamay, Xinjiang oil plant production；
Described mineral filler is calcium carbonate；
Described processing aid is coupling agent KH550, lubricant stearic acid calcium, antioxidant 1010 and irgasfos 168, and content is distinguished
For 0.1%；
Described nylon material product is the enhancing nylon material product of glass fiber content more than 20%.
2. thermoplastic elastomer (TPE) as claimed in claim 1, it is characterised in that：Described nylon material product is that glass fiber content is
30% reinforced plastic PA66 nylon material product.
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| CN201510695298.7A CN105199299B (en) | 2015-10-18 | 2015-10-18 | A kind of secondary injection adhering thermoplastic elastomer (TPE) |
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| CN201510695298.7A CN105199299B (en) | 2015-10-18 | 2015-10-18 | A kind of secondary injection adhering thermoplastic elastomer (TPE) |
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| CN109762349B (en) * | 2019-01-21 | 2021-11-09 | 盛嘉伦橡塑(深圳）股份有限公司 | Thermoplastic elastomer material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1931919A (en) * | 2006-09-07 | 2007-03-21 | 浙江俊尔新材料有限公司 | Thermoplastic elastomer for injection adhering nylon material |
| CN101255263A (en) * | 2008-03-17 | 2008-09-03 | 深圳市盛嘉伦橡塑工业有限公司 | Thermoplastic elastomer for nylon material secondary injection adhering |
| CN103172962A (en) * | 2011-12-22 | 2013-06-26 | 中纺投资发展股份有限公司 | Thermoplastic elastomer composition for injection molding and injection adhering |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1931919A (en) * | 2006-09-07 | 2007-03-21 | 浙江俊尔新材料有限公司 | Thermoplastic elastomer for injection adhering nylon material |
| CN101255263A (en) * | 2008-03-17 | 2008-09-03 | 深圳市盛嘉伦橡塑工业有限公司 | Thermoplastic elastomer for nylon material secondary injection adhering |
| CN103172962A (en) * | 2011-12-22 | 2013-06-26 | 中纺投资发展股份有限公司 | Thermoplastic elastomer composition for injection molding and injection adhering |
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