阅读说明：本技术 一种高光免喷涂聚丙烯复合材料及其制备方法 (A kind of bloom exempts from spray coating polypropylene composite material and preparation method ) 是由 李庆 刘伯林 刘�英 于 2019-09-09 设计创作，主要内容包括：本发明涉及汽车制造材料技术领域,具体涉及一种高光免喷涂聚丙烯复合材料及其制备方法,其中,材料组份按重量份数包括：聚丙烯粉体：100份；铝颜料：1份～4份；相容剂：10份～30份；增韧剂：5份～15份；成核剂：0.1份～0.4份；主抗氧剂：0.1份～0.5份；辅助抗氧剂：0.1份～0.5份；润滑剂：0.1份～0.5份；光稳定剂：0.1份～0.5份；吸附剂：1份～5份；偶联剂：0.1份～1份。本发明解决了免喷涂塑料的流痕问题,使产品具有较高的附加值,具有绿色环保的特点,具有低成本的优势,具有很强的市场竞争力,可被广泛应用于汽车零部件的制备。(The present invention relates to automobile manufacture field of material technology, and in particular to a kind of bloom exempts from spray coating polypropylene composite material and preparation method, wherein material component includes: polypropylene powder in parts by weight: 100 parts；Aluminium pigment: 1 part~4 parts；Compatilizer: 10 parts~30 parts；Toughener: 5 parts~15 parts；Nucleating agent: 0.1 part~0.4 part；Primary antioxidant: 0.1 part~0.5 part；Auxiliary antioxidant: 0.1 part~0.5 part；Lubricant: 0.1 part~0.5 part；Light stabilizer: 0.1 part~0.5 part；Adsorbent: 1 part~5 parts；Coupling agent: 0.1 part~1 part.The present invention solves the problems, such as the current mark for exempting from painted plastic, makes product added value with higher, have the characteristics that it is environmentally protective, have low cost advantage, have the very strong market competitiveness, can be widely applied to the preparation of auto parts and components.)

1. a kind of bloom exempts from spray coating polypropylene composite material, including material component, which is characterized in that the material component is by weight Number, comprising:

2. a kind of bloom according to claim 1 exempts from spray coating polypropylene composite material, which is characterized in that the polypropylene is The homopolypropylene as made from hydrogen-regulating method or copolymer polypropylene, melt index are 60g/10min~90g/10min, powder 80 mesh of mesh number~200 mesh.

3. a kind of bloom according to claim 1 exempts from spray coating polypropylene composite material, which is characterized in that the aluminium pigment is Flake aluminum, 800 mesh of partial size~1500 mesh.

4. a kind of bloom according to claim 1 exempts from spray coating polypropylene composite material, which is characterized in that the compatilizer is Polyacrylic acid grafted acrylic acid, grafting rate 0.8%~1%, oder levels≤4；

The toughener be oil-containing s-B-S copolymer, wherein styrene molar content 30%~ 40%, oder levels≤4 grade；

The nucleating agent is aryl amide beta-crystal nucleating agent, purity 98%~99%, volatility 0.1%~0.5%；

The primary antioxidant is Hinered phenols antioxidant, purity >=99%, volatility≤0.3%.

5. a kind of bloom according to claim 1 exempts from spray coating polypropylene composite material, which is characterized in that the lubricant is Ethylene acrylic acid co polymer, viscosity at 103 DEG C~105 DEG C of fusing point, 140 DEG C are 500cps~575cps.

6. a kind of bloom according to claim 1 exempts from spray coating polypropylene composite material, which is characterized in that the light is stablized Agent is the mixture of hindered amines UV-944 and ultraviolet absorbing agent benzotriazole UV-327, the mixing of UV-944 and UV-327 Ratio 1:1~1:3, smell≤4 grade, the adsorbent are zeolite molecular sieve, and aperture is 0.2 nanometer~1 nanometer, mesh number 1250 Mesh~2500 mesh；

The coupling agent be rare-earth coupling agent, 50 DEG C~51 DEG C of fusing point, content of rare earth 6%~7%.

7. a kind of preparation method for exempting from spray coating polypropylene composite material such as bloom as claimed in any one of claims 1 to 6, feature It is, the preparation method includes following preparation step:

1) it is put into high-speed mixer after weighing the aluminium pigment by the material component, persistently stirs 30 after being warming up to 110 DEG C Minute~40 minutes, slow persistence stirs 5 minutes~10 minutes after coupling agent is then added in two portions again；

2) toughener is weighed by the material component to be put into iron pan, 30% naphthenic oil is added, stirs evenly, will contain The mixture of naphthenic oil and toughener is put into baking oven, toasted under 100 DEG C of operating temperatures 15 minutes~take out after twenty minutes to With；

3) the polypropylene powder, nucleating agent, the primary antioxidant, auxiliary that will be weighed by the parts by weight of the material component Antioxidant, light stabilizer, by step 1) handle after obtain aluminium pigment, by step 2) handle after obtain toughener, lubricant, Adsorbent, compatilizer are put into a high speed mixer, and high-speed stirred mixes 3 minutes~5 minutes；

4) the above-mentioned material mixed is placed in the main spout for the double screw extruder that draw ratio is 36:1~42:1, through melting Extruding pelletization obtains product after carrying out cooling, air-dried, pelletizing, drying to extrudate.

8. the preparation method that a kind of bloom according to claim 7 exempts from spray coating polypropylene composite material, which is characterized in that institute The temperature setting range for stating double screw extruder is set as 160 DEG C~190 DEG C, and screw speed is set as 300rpm~400rpm.

9. the preparation method that a kind of bloom according to claim 7 exempts from spray coating polypropylene composite material, which is characterized in that institute The end of double screw extruder is stated using double vacuum pumping small molecules, two vacuum pumps are connected to the double screw extruder The 5th workspace, the 6th workspace；

The vacuum degree of 5th workspace is set as -0.08Mpa~-0.09Mpa；

The vacuum degree of 6th workspace is set as -0.08Mpa~-0.09Mpa.

10. a kind of bloom according to claim 7 exempts from the preparation method of spray coating polypropylene composite material, which is characterized in that The double screw extruder includes at least seven workspaces, wherein the temperature of the first workspace to the 7th workspace are as follows:

One Qu Wendu: 160 DEG C~165 DEG C,

Two area's temperature: 165 DEG C~170 DEG C,

Three Qu Wendu: 170 DEG C~175 DEG C,

Four Qu Wendu: 175 DEG C~180 DEG C,

Five Qu Wendu: 180 DEG C~185 DEG C,

Six Qu Wendu: 185 DEG C~190 DEG C,

Seven area's temperature: 190 DEG C~185 DEG C.

Technical field

The present invention relates to automobile manufacture field of material technology, and in particular to a kind of bloom exempt from spray coating polypropylene composite material and Preparation method.

Background technique

Polypropylene (PP) has many advantages, such as that density is small, hardness is high, heat distortion temperature is high, and is easily worked, cheap, quilt It is widely used in the fields such as the manufacture of auto parts and components.Exempt from the polypropylene (PP) of spraying by assigning metal in material preparatory phase The effect of appearance, to exempt the process procedure that the later period sprays again to product, can reduce in this way production cost and The generation of the pollutants such as, pernicious gas toxic to environment, has reached environmentally friendly purpose in spraying process.But exempt from painted plastic be molded More or less there are some current mark flaws in product, this makes the presentation quality of product be greatly affected in appearance.With garage Industry is constantly stringent to material performance requirement, and the low VOC of environment-friendly type (Volatile Orgnic Compounds) material has become vapour One of the hot spot of vehicle component exploitation and direction.

It is Patent No. CN201310535116.9, entitled " a kind of to exempt to spray with painting glossy argentine texture The patent of invention of modified polypropylene material ", although disclosing a kind of technical solution for exempting from spray metal PP composite material, simultaneously Low smell is not solved the problems, such as.

Summary of the invention

The object of the present invention is to provide a kind of blooms to exempt from spray coating polypropylene composite material, solves the above technical problem.

Another object of the present invention is to provide the preparation methods that a kind of bloom exempts from spray coating polypropylene composite material, solve The above technical problem.

Technical problem solved by the invention can be realized using following technical scheme:

In a first aspect, the invention proposes a kind of blooms to exempt from spray coating polypropylene composite material, including material component, the material Expect component in parts by weight, comprising:

Polypropylene powder: 100 parts；

Aluminium pigment: 1 part~4 parts；

Compatilizer: 10 parts~30 parts；

Toughener: 5 parts~15 parts；

Nucleating agent: 0.1 part~0.4 part；

Primary antioxidant: 0.1 part~0.5 part；

Auxiliary antioxidant: 0.1 part~0.5 part；

Lubricant: 0.1 part~0.5 part；

Light stabilizer: 0.1 part~0.5 part；

Adsorbent: 1 part~5 parts；

Coupling agent: 0.1 part~1 part.

The polypropylene is the homopolypropylene as made from hydrogen-regulating method or copolymer polypropylene, melt index 60g/ 10min~90g/10min, preferably 60g/10min~80g/10min；

80 mesh of powder mesh number~200 mesh, preferably 100 mesh~200 mesh.

The aluminium pigment is flake aluminum, 800 mesh of partial size~1500 mesh, preferably 1000 mesh~1250 mesh.

The compatilizer is polyacrylic acid grafted acrylic acid, grafting rate 0.8%~1%, preferably 0.9%~1%, smell etc. Grade≤4.

The toughener is the copolymer (SBS) of oil-containing s-B-S, wherein styrene-content 30% ~40%, oder levels≤4 grade.

The nucleating agent is aryl amide beta-crystal nucleating agent, purity 98%~99%, volatility 0.1%~0.5%.

The primary antioxidant is Hinered phenols antioxidant, purity >=99%, volatility≤0.3%.

The primary antioxidant is antioxidant 1010 or antioxidant 1076.

The lubricant is ethylene acrylic acid co polymer, viscosity at 103 DEG C~105 DEG C of fusing point, 140 DEG C be 500cps~ 575cps。

The light stabilizer is the mixture of hindered amines UV-944 and ultraviolet absorbing agent benzotriazole UV-327, Mixed proportion 1:1~1:3 of UV-944 and UV-327, preferably mixed proportion 1:1~1:2, smell≤4 grade.

The adsorbent is zeolite molecular sieve, preferably hydrophobic zeolite molecular sieve, and aperture is 0.2 nanometer~1 nanometer, mesh number For 1250 mesh~2500 mesh.

The coupling agent be rare-earth coupling agent, 50 DEG C~51 DEG C of fusing point, content of rare earth 6%~7%, preferably 6.5%~ 7%.

Second aspect, the invention proposes the preparation method that a kind of bloom exempts from spray coating polypropylene composite material, the preparations Method includes following preparation step:

1) it is put into high-speed mixer after weighing the aluminium pigment by the material component, is persistently stirred after being warming up to 110 DEG C Mix 30 minutes~40 minutes, so as to realize it is dry after remove trace water contained in pigment, coupling is then added in two portions again Slow persistence stirs 5 minutes~10 minutes after agent；

2) toughener is weighed by the material component to be put into iron pan, 30% (for toughener weight percent) is added Naphthenic oil, stir evenly, the mixture containing naphthenic oil and toughener be put into baking oven, dried under 100 DEG C of operating temperatures It is 15 minutes roasting~to take out after twenty minutes for use；

3) the polypropylene powder measured by the parts by weight of the material component, nucleating agent, primary antioxidant, auxiliary is anti- Oxygen agent, light stabilizer, handled by step 1) after obtain aluminium pigment, handled by step 2) after obtained toughener, lubricant, suction Attached dose, compatilizer be put into high-speed mixer, high-speed stirred mix 3 minutes~5 minutes；

4) the above-mentioned material mixed is placed in the main spout for the double screw extruder that draw ratio is 36:1~42:1, warp Melting extrusion is granulated, and obtains product after carrying out cooling, air-dried, pelletizing, drying to extrudate.

The temperature setting range of the double screw extruder is set as 160 DEG C~190 DEG C, and screw speed is set as 300rpm ~400rpm.

Using double vacuum pumping small molecules, two vacuum pumps are connected to described double for the end of the double screw extruder The 5th workspace, the 6th workspace of screw extruder；

The vacuum degree of 5th workspace is set as -0.08Mpa~-0.09Mpa；

The vacuum degree of 6th workspace is set as -0.08Mpa~-0.09Mpa.

The double screw extruder includes at least seven workspaces, wherein the temperature of the first workspace to the 7th workspace Are as follows:

One Qu Wendu: 160 DEG C~165 DEG C,

Two area's temperature: 165 DEG C~170 DEG C,

Three Qu Wendu: 170 DEG C~175 DEG C,

Four Qu Wendu: 175 DEG C~180 DEG C,

Five Qu Wendu: 180 DEG C~185 DEG C,

Six Qu Wendu: 185 DEG C~190 DEG C,

Seven area's temperature: 190 DEG C~185 DEG C.

The utility model has the advantages that due to the adoption of the above technical scheme, the present invention selects raw material, auxiliary agent control, process optimization, metal The compatibilized design of powder, formulation optimization etc., which combine, to be prepared low smell and exempts to spray PP composite wood without current mark high glaze Material, does not need special installation, and can be prepared using conventional equipment both has low smell, and high glaze exempts from the production of the characteristic of spraying Product solve the problems, such as the current mark for exempting from painted plastic.Make product added value with higher, have the characteristics that environmentally protective, has The advantage of low cost has the very strong market competitiveness, can be widely applied to the preparation of auto parts and components.

Detailed description of the invention

Fig. 1 is a kind of flow diagram of preparation step of the invention.

Specific embodiment

In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Conjunction is specifically illustrating that the present invention is further explained.It should be noted that the term " in description and claims of this specification One ", the (if present)s such as " second ", " third ", " the 4th " are to be used to distinguish similar objects, without specific for describing Sequence or precedence.It should be appreciated that the data used in this way are interchangeable under appropriate circumstances, so as to implementation described herein Example can be implemented with the sequence other than the content for illustrating or describing herein.In addition, term " includes " or " having " and its Any deformation, be intended to cover it is non-exclusive include, for example, containing a series of product of building blocks or unit or setting It is standby those of to be not necessarily limited to be clearly listed building block or unit, but may include be not clearly listed or for these The other components composition or component units of product or equipment inherently.

In some embodiments, the invention proposes a kind of blooms to exempt from spray coating polypropylene composite material comprising material group Part, the material component includes: in parts by weight

Polypropylene powder: 100 parts；

Aluminium pigment: 1 part~4 parts；

Compatilizer: 10 parts~30 parts；

Toughener: 5 parts~15 parts；

Nucleating agent: 0.1 part~0.4 part；

Primary antioxidant: 0.1 part~0.5 part；

Auxiliary antioxidant: 0.1 part~0.5 part；

Lubricant: 0.1 part~0.5 part；

Light stabilizer: 0.1 part~0.5 part；

Adsorbent: 1 part~5 parts；

Coupling agent: 0.1 part~1 part.

Wherein, polypropylene is the homopolypropylene as made from hydrogen-regulating method or copolymer polypropylene, melt index 60g/ 10min~90g/10min, preferably 60g/10min~80g/10min；80 mesh of powder mesh number~200 mesh, preferably 100 mesh~200 Mesh；Aluminium pigment is flake aluminum, 800 mesh of partial size~1500 mesh, preferably 1000 mesh~1250 mesh；Compatilizer connects for polyacrylic acid Branch acrylic acid, grafting rate 0.8%~1%, preferably 0.9%~1%, oder levels≤4；Toughener is oil-containing styrene-fourth two Alkene-styrene copolymer (SBS), wherein styrene-content 30%~40% (molar content), oder levels≤4 grade；Nucleation Agent is aryl amide beta-crystal nucleating agent, purity 98%~99%, volatility 0.1%~0.5%；Primary antioxidant is hindered phenol Kind antioxidant, purity >=99%, volatility≤0.3%, in addition, antioxidant 1010 or antioxidant 1076 can be selected in primary antioxidant； Lubricant is ethylene acrylic acid co polymer, and viscosity at 103 DEG C~105 DEG C of fusing point, 140 DEG C is 500cps~575cps；Light is steady Determine the mixture that agent is hindered amines UV-944 and ultraviolet absorbing agent benzotriazole UV-327, wherein UV-944 and UV- 327 mixed proportion 1:1~1:3 (weight percent), preferably mixed proportion 1:1~1:2 (weight percent), smell≤4 grade； Adsorbent is zeolite molecular sieve, preferably hydrophobic zeolite molecular sieve, aperture be 0.2 nanometer~1 nanometer, mesh number be 1250 mesh~ The odor adsorption agent XW-17 of Qingdao Zhuo Xin new material Co., Ltd can be selected in 2500 mesh；Coupling agent is rare-earth coupling agent, fusing point 50 DEG C~51 DEG C, content of rare earth 6%~7% (weight percent content), preferably 6.5%~7%.

In some embodiments, as shown in Figure 1, the invention proposes the systems that a kind of bloom exempts from spray coating polypropylene composite material Preparation Method, including following preparation step:

Step 1) is put into high-speed mixer after weighing aluminium pigment by material component, persistently stirs 30 after being warming up to 110 DEG C Minute~40 minutes, after realizing removal moisture content, slow persistence stirs 5 minutes~10 points after coupling agent is then added in two portions again Clock；

Step 2) weighs toughener by material component and is put into iron pan, and 30% naphthenic oil is added (for toughener weight hundred Divide ratio), it stirs evenly, the mixture containing naphthenic oil and toughener is put into baking oven, toast 15 under 100 DEG C of operating temperatures Minute~take out after twenty minutes for use；

Step 3) will weigh in parts by weight polypropylene powder, nucleating agent, primary antioxidant, auxiliary antioxidant, light stabilizer, It is put by the aluminium pigment obtained after step 1) processing, by the toughener, lubricant, adsorbent, the compatilizer that are obtained after step 2) processing Enter in high-speed mixer, high-speed stirred mixes 3 minutes~5 minutes；

The above-mentioned material mixed is placed in the main feeding for the double screw extruder that draw ratio is 36:1~42:1 by step 4) Mouthful, it is granulated through melting extrusion, obtains product after carrying out cooling, air-dried, pelletizing, drying to extrudate.

Wherein, the temperature setting range of double screw extruder is set as 160 DEG C~190 DEG C, and screw speed is set as 300rpm~400rpm.The end of double screw extruder is connected to double using double vacuum pumping small molecules, two vacuum pumps The 5th workspace, the 6th workspace of screw extruder；The vacuum degree of 5th workspace is set as -0.08Mpa~-0.09Mpa； The vacuum degree of 6th workspace is set as -0.08Mpa~-0.09Mpa.Double screw extruder includes at least seven workspaces, In, the temperature of the first workspace to the 7th workspace are as follows: one Qu Wendu: 160 DEG C~165 DEG C, two area's temperature: 165 DEG C~170 DEG C, three Qu Wendu: 170 DEG C~175 DEG C, four Qu Wendu: 175 DEG C~180 DEG C, five Qu Wendu: 180 DEG C~185 DEG C, six Qu Wen Degree: 185 DEG C~190 DEG C, seven area's temperature: 190 DEG C~185 DEG C.

The present invention presses above-mentioned material component and preparation method, can have following examples and comparative examples: