CN102516747A - Thermoplastic elastomer composition of encapsulation PETG (poly(ethylene terephthalate) glycol) and preparation method thereof - Google Patents
Thermoplastic elastomer composition of encapsulation PETG (poly(ethylene terephthalate) glycol) and preparation method thereof Download PDFInfo
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- CN102516747A CN102516747A CN2011104074354A CN201110407435A CN102516747A CN 102516747 A CN102516747 A CN 102516747A CN 2011104074354 A CN2011104074354 A CN 2011104074354A CN 201110407435 A CN201110407435 A CN 201110407435A CN 102516747 A CN102516747 A CN 102516747A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a thermoplastic elastomer composition of encapsulation PETG (poly(ethylene terephthalate) glycol) and a preparation method of the thermoplastic elastomer composition. The composition is prepared from the following raw materials in weight percentage: 15-35% of SEBS (styrene-ethylene-butadiene-styrene), 18-40% of a plasticizer, 30-45% of TPU (thermoplastic polyurethane), 5-10% of a compatilizer, 0.2-0.4% of an antioxidant, and 5-20% of an inorganic mineral. The preparation method comprises weighing raw materials proportionally by weight; mixing SEBS and the plasticizer in a high mixing machine for 20-30min, adding other raw materials, mixing, and taking out; and placing into a double screw extruder for extrusion granulation, wherein the rotation speed of the main machine of the screw is 200-350rpm, and the processing temperature is in the range of 180-220 DEG C. The thermoplastic elastomer composition of the invention has the following advantages: the polarity of SEBS is changed, resulting in chemical reaction of surfaces of the elastomer and the copolymer polyester and high bonding strength of secondary injection molding, and after stripping, a layer of the elastomer completely adheres on the surface of the PETG backing material, resulting in comfort handfeel and strong gripping strength; and the composition is a non-toxic and innocuous environment-friendly material for human and environment, and fully meets the requirements of high-end toothbrushes for PETG encapsulation.
Description
Technical field
The present invention relates to a kind of thermoplastic elastic material and preparation method, relate in particular to composition for thermoplastic elastomer of encapsulate PETG and preparation method thereof.
Background technology
Copolyester PETG has good processibility, the transparency, and characteristics such as chemical-resistant are widely used in high-end personal care handle (like toothbrush, razor).
As everyone knows, toothbrush handle generally adopts the quadric injection mould moulding process that thermoplastic resin is coated one deck elastomerics to form.Traditional SAN, brush holders such as PS, because the easy embrittlement fracture of not low temperature resistant and chemical moral character, particularly winter of material itself, maybe the potential risk that human body is damaged.Present high-grade toothbrush handles is all generally used copolyester material; This material has excellent chemical-resistant, the low temperature flexibility of excellence and splendid transparency; Yet general thermoplastic elastomer and this two kinds resin-bonded not firm, can't reach request for utilization, become the difficult problem of this industry.
Summary of the invention
The objective of the invention is to overcome the deficiency that above-mentioned prior art exists, composition for thermoplastic elastomer of a kind of encapsulate PETG and preparation method thereof is provided.It is strong that composition for thermoplastic elastomer of the present invention and PETG quadric injection mould have a bonding force, satisfies high-end toothbrush fully to the requirement of TPE encapsulate.
The objective of the invention is to realize through following technical scheme:
The present invention relates to the composition for thermoplastic elastomer of a kind of encapsulate copolyester, styrene-ethylene-butylene-styrene segmented copolymer (PETG), process by the raw material of following weight percent content:
Preferably, described softening agent is a NO.
Preferably, described compatilizer is the multipolymer of the positive butyl ester-carbonyl of ethylene-acrylic acid.
Preferably in, described oxidation inhibitor is a kind of Hinered phenols antioxidant.
Preferably, described inorganic mineral is inorganic superfine powder end, in one in talcum powder, lime carbonate, the permanent white or several kinds.
The invention still further relates to the preparation method of the composition for thermoplastic elastomer of a kind of encapsulate PETG, comprise the steps:
(1) takes by weighing raw material by above-mentioned component and weight percent content;
(2) styrene-ethylene-butylene-styrene segmented copolymer in the above-mentioned raw materials and softening agent were mixed 20～30 minutes earlier at high mixer;
(3) add other raw material again and be mixed evenly, take out;
(4) put into the twin-screw machine extruding pelletization then, the engine speed of screw rod is 200～350 rev/mins, and processing temperature is 180～220 ℃.
Compared with prior art, the beneficial effect that has of the present invention is:
But 1, the bonding copolyester PETG of composition for thermoplastic elastomer quadric injection mould of the present invention is applicable to that as the special-purpose encapsulate to the PETG toothbrush handles have hand feel and drape, grip is strong, and is nonpoisonous and tasteless, and proportion is low, processes characteristics such as simple.
2, to have a bonding force strong for composition for thermoplastic elastomer of the present invention and PETG quadric injection mould, and have one deck elastomerics to stick to the PETG substrate surface fully after peeling off, and satisfies high-end toothbrush fully to the requirement of TPE encapsulate.
Embodiment
Elaborate in the face of embodiments of the invention down: present embodiment provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment being to implement under the prerequisite with technical scheme of the present invention.
It is matrix that the present invention adopts SEBS rubber, through select for use efficiently compatilizer make a kind of can be at the TPE material of the bonding copolyester PETG of quadric injection mould.
Styrene-ethylene-butylene-styrene segmented copolymer (SEBS) among the present invention is exactly the abbreviation of Styrene-ethylene-butylene-styrene block copolymer; SEBS utilizes the hydrogenation mode with the aliphatic double bonds saturation.Because the carbon-to-carbon double bond of divinyl section is hydrogenated saturatedly among the SEBS, thereby it has good weathering resistance, thermotolerance, compression deformability and excellent mechanical property.Saturation type thermoplastic elastomer SEBS is the alkene architecture of saturation type owing to soft section, and the SEBS thermoplastic elastomer is a kind of novel high polymer material between rubber and resin, not only can replace rubber.SEBS have and traditional rubber phase with elasticity, recovery, obdurability and weathering resistance, and the characteristic of the equally easy machine-shaping of thermoplastics and can reclaim advantage such as use again.
Softening agent is a NO; Be a kind of to saturated cyclic carbon-chain structure hydro carbons; Its principal character is that one or more saturated cyclic carbochains are arranged in the molecule, and carbochain has undersaturated double bond structure in the form of a ring between carbon and the carbon; This double bond structure just has been doomed its chemical activity, can improve the soft durometer of material in the adding system.
Urethane is mainly formed with the polyvalent alcohol addition polymerization by POLYMETHYLENE POLYPHENYLISOCYANATE (wherein two isocyanic acids are more by using), and it has high adhesivity.Owing to contain polarity and various groups such as active carbamate and isocyanic ester in the xanthan molecule chain, add the rebound resilience of thermoplastic polyurethane raising system and the cementability during with the plastics quadric injection mould.
Compatilizer is the multipolymer of the positive butyl ester-carbonyl of ethylene-acrylic acid, and it is a kind of compatilizer efficiently in composition system, and the cementability in the time of can effectively improving compsn and copolymerization polyester plastics quadric injection mould has promoted the mutual capacitive of SEBS and TPU on the other hand.
Hinered phenols is a traditional chain termination type oxidation inhibitor, can prevent or hinder the compound of slow organic materials oxidation.It can be caught active radical and generate inactive radical, thereby chain reaction is stopped; The polymkeric substance hydroperoxide that produce in perhaps can the decomposing oxidation process generate stable nonactive product, thereby interrupt chain reaction.Effect is to delay the oxidising process of macromolecular material, guarantees that they can successfully be processed and prolong its work-ing life.
The inorganic superfine powder end can strengthening material paradigmatic structure, improve its quality and durable degree greatly, and reduce product cost.
Embodiment 1～4
Among the embodiment 1～4, SEBS is that Polymer Company's production is risen by section, and commodity are called KRATON G1651; The NO that softening agent is produced for the Kelamayi, Xinjiang, commodity are called KN4010; TPU is the commodity S85A10 by name that BASF AG produces; Compatilizer is the positive butyl ester of ethylene-acrylic acid-carbonyl multipolymer that E.I.Du Pont Company produces, and commodity are called
HP4051; Oxidation inhibitor is Hinered phenols antioxidant, is specially the AO 1010 of vapour Bagong department; Inorganic mineral also can be superfine talcum powder, permanent white and mixing thereof for the Anhui perseverance reaches the 800 order lime carbonate that lime carbonate company produces.
Its preparation method is following:
(1) takes by weighing raw material by each component and the weight percent content thereof shown in the table 1;
(2) SEBS in the above-mentioned raw materials and softening agent were mixed 20～30 minutes earlier at high mixer;
(3) add other raw material again and be mixed evenly, take out;
(4) put into the twin-screw machine extruding pelletization then, the engine speed of screw rod is 200～350 rev/mins, and processing temperature is 180～220 ℃.
Comparative Examples 5～6
In the Comparative Examples 5～6, the raw material of employing is with embodiment 1～4.
Its preparation method is:
(1) takes by weighing raw material by each component and the weight percent content thereof shown in the table 1;
(2) SEBS in the above-mentioned raw materials and softening agent were mixed 20～30 minutes earlier at high mixer;
(3) add other raw material again and be mixed evenly, take out;
(4) put into the twin-screw machine extruding pelletization then, the engine speed of screw rod is 200～350 rev/mins, and processing temperature is 180～220 ℃.
Table 1
| Component | 1 | 2 | 3 | 4 | 5 | 6 |
| SEBS | 15 | 35 | 19.7 | 16.8 | 16.8 | 16.8 |
| KN4010 | 24.8 | 18 | 40 | 22 | 22 | 22 |
| TPU | 45 | 31.6 | 30 | 35 | 41 | 26 |
| HP4051 | 5 | 10 | 5 | 6 | - | 15 |
| AO?1010 | 0.2 | 0.4 | 0.3 | 0.2 | 0.2 | 0.2 |
| Lime carbonate | 10 | 5 | 5 | 20 | 20 | 20 |
| The result | ||||||
| Shore hardness (A) | 66 | 62 | 55 | 62 | 65 | 65 |
| Tensile strength (MPA) | 6.5 | 7.8 | 5.2 | 6.2 | 4.5 | 4.7 |
| With PETG bonding force (N/cm) | 26.3 | 28.0 | 21.5 | 25.0 | 6.2 | 17.7 |
Can be known by table 1: comparing embodiment 4 can be found out with Comparative Examples 5; When not containing compatilizer HP4051, the bonding force of elastomerics and PETG is low to moderate unacceptable degree, is merely 6.2N/cm; Tensile strength also decreases simultaneously, and the effect of compatilizer aspect increase-volume and promotion cohesive force has been described; Contain the 4 more compatilizers than embodiment in the Comparative Examples 6, but reduce on the contrary with the bonding strength of PETG, it is too much unfavorable to the result to explain that compatilizer adds; Can find out that from embodiment 1～4 good with the bonding strength of PETG, tensile strength is also higher, it is strong to explain that itself and PETG quadric injection mould have a bonding force.Still have one deck elastomerics to stick to the PETG substrate surface fully after it is peeled off, further specifying itself and PETG quadric injection mould, to have a bonding force strong, can satisfy high-end toothbrush fully to the requirement of TPE encapsulate.
Claims (6)
1. the composition for thermoplastic elastomer of an encapsulate PETG is characterized in that, is processed by the raw material of following weight percent content:
2. the composition for thermoplastic elastomer of encapsulate PETG according to claim 1 is characterized in that, described softening agent is a NO.
3. the composition for thermoplastic elastomer of encapsulate PETG according to claim 1 is characterized in that, described compatilizer is the multipolymer of the positive butyl ester-carbonyl of ethylene-acrylic acid.
4. the composition for thermoplastic elastomer of encapsulate PETG according to claim 1 is characterized in that, described oxidation inhibitor is a kind of Hinered phenols antioxidant.
5. the composition for thermoplastic elastomer of encapsulate PETG according to claim 1 is characterized in that, described inorganic mineral is inorganic superfine powder end, in one in talcum powder, lime carbonate, the permanent white or several kinds.
6. the preparation method of the composition for thermoplastic elastomer of an encapsulate PETG is characterized in that, comprises the steps:
(1) component according to claim 1 and weight percent content take by weighing raw material;
(2) styrene-ethylene-butylene-styrene segmented copolymer in the above-mentioned raw materials and softening agent were mixed 20～30 minutes earlier at high mixer;
(3) add other raw material again and be mixed evenly, take out;
(4) put into the twin-screw machine extruding pelletization then, the engine speed of screw rod is 200～350 rev/mins, and processing temperature is 180～220 ℃.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552756A (en) * | 2014-12-31 | 2015-04-29 | 黎初胜 | Manufacturing method for toothbrush handle |
| CN104672885A (en) * | 2015-03-05 | 2015-06-03 | 安徽科聚新材料有限公司 | TPV (thermoplastic vulcanizate) alloy material for bonding encapsulation of PETG (polyethylene terephthalate glycol) and preparation method of TPV alloy material |
| CN106751372A (en) * | 2016-12-30 | 2017-05-31 | 慈溪市山今高分子塑料有限公司 | A kind of TPE material and its preparation technology for encapsulated ABS |
| CN106928692A (en) * | 2017-03-22 | 2017-07-07 | 宁波市恩睿塑胶有限公司 | A kind of TPE encapsulated formula and production technology |
| CN106977903A (en) * | 2017-04-01 | 2017-07-25 | 广州市凯德热塑性弹性体有限公司 | A kind of TPE intermingling materials and preparation method thereof |
| CN107033524A (en) * | 2017-06-01 | 2017-08-11 | 泉州盈创新材料技术开发有限公司 | A kind of thermoplastic elastomer (TPE) with PETG secondary injection adherings and preparation method thereof |
| CN107099153A (en) * | 2017-05-03 | 2017-08-29 | 东莞市毅锦实业有限公司 | A kind of TPE composites for coating and bonding PET |
| CN108165026A (en) * | 2017-12-28 | 2018-06-15 | 聚威工程塑料(上海)有限公司 | Encapsulated composite thermoplastic elastic material is bonded for PC/PBT alloys |
| CN109337040A (en) * | 2018-08-16 | 2019-02-15 | 汕头市宏隆实业有限公司 | It is a kind of for thermo-plastic polyurethane's micelle of toothbrush bristle and its preparation |
| CN109337386A (en) * | 2018-10-23 | 2019-02-15 | 新钻塑料科技（上海）有限公司 | A kind of super dry and comfortable thermoplastic elastomer composite material and preparation method thereof of the super dumb light in surface |
| CN109438902A (en) * | 2018-09-21 | 2019-03-08 | 南京京锦元科技实业有限公司 | A kind of encapsulated material and preparation method thereof for PCTG plastics |
| CN109957215A (en) * | 2017-12-25 | 2019-07-02 | 联泓(江苏)新材料研究院有限公司 | It is a kind of for heat-resisting encapsulated thermoplastic elastic material and preparation method thereof |
| CN110144112A (en) * | 2019-05-13 | 2019-08-20 | 浙江万马聚力新材料科技有限公司 | Halogen-free cable material and preparation method thereof and cable comprising the halogen-free cable material |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552756A (en) * | 2014-12-31 | 2015-04-29 | 黎初胜 | Manufacturing method for toothbrush handle |
| CN104672885A (en) * | 2015-03-05 | 2015-06-03 | 安徽科聚新材料有限公司 | TPV (thermoplastic vulcanizate) alloy material for bonding encapsulation of PETG (polyethylene terephthalate glycol) and preparation method of TPV alloy material |
| CN106751372A (en) * | 2016-12-30 | 2017-05-31 | 慈溪市山今高分子塑料有限公司 | A kind of TPE material and its preparation technology for encapsulated ABS |
| CN106928692A (en) * | 2017-03-22 | 2017-07-07 | 宁波市恩睿塑胶有限公司 | A kind of TPE encapsulated formula and production technology |
| CN106977903A (en) * | 2017-04-01 | 2017-07-25 | 广州市凯德热塑性弹性体有限公司 | A kind of TPE intermingling materials and preparation method thereof |
| CN107099153A (en) * | 2017-05-03 | 2017-08-29 | 东莞市毅锦实业有限公司 | A kind of TPE composites for coating and bonding PET |
| CN107033524A (en) * | 2017-06-01 | 2017-08-11 | 泉州盈创新材料技术开发有限公司 | A kind of thermoplastic elastomer (TPE) with PETG secondary injection adherings and preparation method thereof |
| CN109957215A (en) * | 2017-12-25 | 2019-07-02 | 联泓(江苏)新材料研究院有限公司 | It is a kind of for heat-resisting encapsulated thermoplastic elastic material and preparation method thereof |
| CN108165026A (en) * | 2017-12-28 | 2018-06-15 | 聚威工程塑料(上海)有限公司 | Encapsulated composite thermoplastic elastic material is bonded for PC/PBT alloys |
| CN109337040A (en) * | 2018-08-16 | 2019-02-15 | 汕头市宏隆实业有限公司 | It is a kind of for thermo-plastic polyurethane's micelle of toothbrush bristle and its preparation |
| CN109337040B (en) * | 2018-08-16 | 2020-08-21 | 汕头市宏隆实业有限公司 | Thermoplastic polyurethane colloidal particles for toothbrush bristles and preparation thereof |
| CN109438902A (en) * | 2018-09-21 | 2019-03-08 | 南京京锦元科技实业有限公司 | A kind of encapsulated material and preparation method thereof for PCTG plastics |
| CN109337386A (en) * | 2018-10-23 | 2019-02-15 | 新钻塑料科技（上海）有限公司 | A kind of super dry and comfortable thermoplastic elastomer composite material and preparation method thereof of the super dumb light in surface |
| CN110144112A (en) * | 2019-05-13 | 2019-08-20 | 浙江万马聚力新材料科技有限公司 | Halogen-free cable material and preparation method thereof and cable comprising the halogen-free cable material |
| CN110144112B (en) * | 2019-05-13 | 2021-11-23 | 浙江万马聚力新材料科技有限公司 | Halogen-free cable material, preparation method thereof and cable containing halogen-free cable material |
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Application publication date: 20120627 |