CN104558797A - Modifier and preparation method thereof - Google Patents
Modifier and preparation method thereof Download PDFInfo
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- CN104558797A CN104558797A CN201410788940.1A CN201410788940A CN104558797A CN 104558797 A CN104558797 A CN 104558797A CN 201410788940 A CN201410788940 A CN 201410788940A CN 104558797 A CN104558797 A CN 104558797A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
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Abstract
The invention belongs to the field of chemical engineering and relates to a modifier and a preparation method thereof. According to the technical problem to be solved, the defects that the conventional modifier for plastic products is high in cost and the strengthened toughness is low are overcome, and the invention provides a modifier and a preparation method thereof. According to the technical scheme of the invention, the formula of the modifier consists of the following components in parts by mass: 75-80 parts of calcium carbonate powder, 10 parts of an LLDPE resin, 5-8 parts of PE resin powder, 3-5 parts of stearic acid powder, 1-2 parts of a dispersing agent, 1-2 parts of a coupling agent, 0.3-0.5 part of an antioxidant, 0.3-0.5 part of an ultraviolet-resistant agent, 0.3-0.5 part of zinc stearate and 0.3-0.5 part of magnesium stearate. The modifier is diversified in function, can effectively increase the toughness and strength of the plastic products and improve the impact resistance and is simple in preparation process, easy to operate and low in cost. In addition, when the modifier is added into the plastic products, an effect of stabilizing the size can be achieved, and the plastic products can be subjected to effective filling modification. The modifier disclosed by the invention is applied to the production process of plastic products.
Description
Technical field
The invention belongs to chemical field, relate to polymer composite processing aid and preparation method thereof, especially relate to the modification agent and preparation method thereof of a kind of plastics, rubber filling modification.
Background technology
In the process of producing the macromolecular material such as plastics or rubber, generally need to add modification agent so that reduce costs or make material property to have obvious change.Poor in order to overcome plastic prod snappiness, brittleness is high, the shortcoming of shock resistance difference, generally needs to add the modification agents such as softening agent, toughner, anti-impact agent, lubricant.But existing modification agent is due to function singleness, therefore needs in a kind of plastic prod to add multiple modification agent, virtually enhance the cost of product.In addition, the limited use of existing modification agent in the intensity and toughness of reinforced plastics, and with high costs, is not easy to realize the marketization, and meanwhile, its complex manufacturing, energy consumption is comparatively large, seriously polluted to environment.Therefore need badly a kind of can simultaneously reinforced plastics intensity and toughness and modification agent with low cost.
Summary of the invention
Technical problem to be solved by this invention overcomes the with high costs and shortcoming of activeness and quietness difference of the modification agent of existing plastic prod, provides a kind of modification agent and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of modification agent, fills a prescription to be made up of by mass parts following composition: Paris white 75 ~ 80 parts, LLDPE resin 10 parts, 5 ~ 8 parts, PE cosmetics, stearate powder 2 ~ 5 parts, EB-FF diffusant 1 ~ 2 part, coupling agent 1 ~ 2 part, antioxidant 0.3 ~ 0.5 part, uv-resistant agent 0.3 ~ 0.5 part, Zinic stearas 0.3 ~ 0.5 part and Magnesium Stearate 0.3 ~ 0.5 part.
Preferably, this modification agent specifically comprises Paris white 80 parts, LLDPE resin 10 parts, 5 parts, PE cosmetics, stearate powder 2 parts, EB-FF diffusant 0.5 part, coupling agent 0.5 part, antioxidant 0.5 part, uv-resistant agent 0.5 part, Zinic stearas 0.5 part and Magnesium Stearate 0.5 part.
Concrete, described coupling agent is zirconium class coupling agent.
Concrete, described antioxidant is antioxidant 264.
Prepare the preparation method that above-mentioned modification agent adopts to comprise the following steps:
A. be (75 ~ 80) with LLDPE resin according to ratio of quality and the number of copies by calcium carbonate powders: the ratio of 10 mixes and stirs, and forms uniform mixture;
B. be (5 ~ 8) by PE cosmetics, stearate powder, EB-FF diffusant, coupling agent, antioxidant, uv-resistant agent, Zinic stearas and Magnesium Stearate according to ratio of quality and the number of copies: (2 ~ 5): (1 ~ 2): (1 ~ 2): (0.3 ~ 0.5): (0.3 ~ 0.5): (0.3 ~ 0.5): the ratio of (0.3 ~ 0.5) to join in the mixture formed in steps A and stirs.
Concrete, it is (75 ~ 80) that steps A to be specially calcium carbonate powders with LLDPE resin according to ratio of quality and the number of copies: the ratio of 10 puts into high speed mixer mixing certain hour makes it mix.
Preferably, described certain hour is 2 minutes.
Concrete, step B is specially, be (5 ~ 8) by PE cosmetics, stearate powder, EB-FF diffusant, coupling agent, antioxidant, uv-resistant agent, Zinic stearas and Magnesium Stearate according to ratio of quality and the number of copies: (2 ~ 5): (1 ~ 2): (1 ~ 2): (0.3 ~ 0.5): (0.3 ~ 0.5): (0.3 ~ 0.5): the ratio of (0.3 ~ 0.5) joins in the mixture formed in steps A, mix 5 minutes at high speed mixer.
Preferably, also step is comprised after step B
C. joined in dual-screw pelletizer by the material that step B obtains and carry out extruding pelletizing processing, its fuselage Heating temperature is 180 DEG C, and the temperature of head and tail is 170 DEG C.
The invention has the beneficial effects as follows: this modification agent diverse in function, effectively can increase toughness and the intensity of plastic prod, improve anti-impact agent ability, and preparation technology is simple, easy handling, with low cost; In addition, this modification agent is added to the effect can also playing stable dimensions in plastics, plastic prod is carried out effectively filling-modified.The present invention is applicable to plastic prod production process.
Embodiment
Below in conjunction with embodiment, describe technical scheme of the present invention in detail.
A kind of modification agent in the present invention, filling a prescription is made up of by mass parts following composition: Paris white 75 ~ 80 parts, LLDPE resin 10 parts, 5 ~ 8 parts, PE cosmetics, stearate powder 2 ~ 5 parts, EB-FF diffusant 1 ~ 2 part, coupling agent 1 ~ 2 part, antioxidant 0.3 ~ 0.5 part, uv-resistant agent 0.3 ~ 0.5 part, Zinic stearas 0.3 ~ 0.5 part and Magnesium Stearate 0.3 ~ 0.5 part.
Paris white is whiting, the powder of PE cosmetics and PE, polyethylene (PE) is one of five large synthetic resins, and polyethylene is mainly divided into LLDPE (LLDPE), Low Density Polyethylene (LDPE), high density polyethylene(HDPE) (HDPE) three major types.Stearate powder and Powdered stearic acid.EB-FF diffusant is that import helps drug, and dispersing property is excellent, and most of company is all using, stable performance.Coupling agent, as in plastics are compounding, improves a kind of plastics additive of the interface performance of synthetic resins and inorganic filler or strongthener.It can reduce the viscosity of molten synthetic resin in plastic processes, improves the dispersity of weighting agent to improve processing characteristics, and then makes goods obtain good surface quality and machinery, heat and electrical property.Can use zirconium class coupling agent, zirconium class coupling agent is the low-molecular-weight inorganic polymer containing zirconium aluminate.It not only can promote the bonding between different substances, and can improve the performance of composite system, particularly rheological property.Such coupling agent had both been applicable to multiple thermosetting resin, was also applicable to multiple thermoplastic resin.In addition magnesium class coupling agent and tin class coupling agent is also had.Uv-resistant agent effectively can prevent ultraviolet.Zinic stearas and Magnesium Stearate are mainly used as lubricant, antisticking agent, glidant.
Embodiment 1
Modification agent component in this example is as shown in table 1:
The component table of table 1 embodiment 1
The method preparing this modification agent is: Paris white is put into high speed mixer with LLDPE resin according to described mass fraction and mixes 2 minutes, then other materials is joined mixing 5 minutes according to above-mentioned mass fraction; Added in dual-screw pelletizer by the material mixed and extrude pelletizing, each section of heating and temperature control 180 degree, frame head and tail temperature reduces by 10 degree; Carry out, through reciprocating sieve screening criteria particle after pelletizing, forming the granular modification agent that size is suitable to material.
Embodiment 2
The component table of table 2 embodiment 2
The method preparing this modification agent is: Paris white is put into high speed mixer with LLDPE resin according to described mass fraction and mixes 2 minutes, then other materials is joined mixing 5 minutes according to above-mentioned mass fraction, forms modification agent.Extrude pelletizing through dual-screw pelletizer again and form granular modification agent.
Embodiment 3
The component table of table 3 embodiment 3
The method preparing this modification agent is: Paris white is put into high speed mixer with LLDPE resin according to described mass fraction and mixes 2 minutes, then other materials is joined mixing 5 minutes according to above-mentioned mass fraction; Added in dual-screw pelletizer by the material mixed and extrude pelletizing, each section of heating and temperature control 180 degree, frame head and tail temperature reduces by 10 degree; Carry out, through reciprocating sieve screening criteria particle after pelletizing, forming the granular modification agent that size is suitable to material.
Embodiment 4
The component table of table 4 embodiment 4
The method preparing this modification agent is: Paris white is put into high speed mixer with LLDPE resin according to described mass fraction and mixes 2 minutes, then other materials is joined mixing 5 minutes according to above-mentioned mass fraction; Added in dual-screw pelletizer by the material mixed and extrude pelletizing, each section of heating and temperature control 180 degree, frame head and tail temperature reduces by 10 degree; Carry out, through reciprocating sieve screening criteria particle after pelletizing, forming the granular modification agent that size is suitable to material.
Being added to by modification agent obtained for the various embodiments described above in plastics can not only activeness and quietness, can also stablize the size of plastics in addition.Intensity can improve 5%-10%, and toughness can improve 10%-15%.As in shock strength be 10 polypropylene resin in add 10% upgrading drug after, its shock strength is 11, namely intensity increase by 10%.But in sum, in 4 embodiments, the best results of the modification agent that embodiment 1 is obtained, is added after in plastic prod, and the ratio that the toughness of plastic prod and intensity improve is maximum.
Claims (9)
1. a modification agent, it is characterized in that, filling a prescription is made up of by mass parts following composition: Paris white 75 ~ 80 parts, LLDPE resin 10 parts, 5 ~ 8 parts, PE cosmetics, stearate powder 2 ~ 5 parts, EB-FF diffusant 1 ~ 2 part, coupling agent 1 ~ 2 part, antioxidant 0.3 ~ 0.5 part, uv-resistant agent 0.3 ~ 0.5 part, Zinic stearas 0.3 ~ 0.5 part and Magnesium Stearate 0.3 ~ 0.5 part.
2. a kind of modification agent as claimed in claim 1, it is characterized in that, comprise Paris white 80 parts, LLDPE resin 10 parts, 5 parts, PE cosmetics, stearate powder 2 parts, EB-FF diffusant 0.5 part, coupling agent 0.5 part, antioxidant 0.5 part, uv-resistant agent 0.5 part, Zinic stearas 0.5 part and Magnesium Stearate 0.5 part.
3. a kind of modification agent as claimed in claim 1 or 2, is characterized in that, described coupling agent is zirconium class coupling agent.
4. a kind of modification agent as claimed in claim 1 or 2, is characterized in that, described antioxidant is antioxidant 264.
5. a preparation method for modification agent, is characterized in that, comprises the following steps:
A. be (75 ~ 80) with LLDPE resin according to ratio of quality and the number of copies by calcium carbonate powders: the ratio of 10 mixes and stirs, and forms uniform mixture;
B. be (5 ~ 8) by PE cosmetics, stearate powder, EB-FF diffusant, coupling agent, antioxidant, uv-resistant agent, Zinic stearas and Magnesium Stearate according to ratio of quality and the number of copies: (2 ~ 5): (1 ~ 2): (1 ~ 2): (0.3 ~ 0.5): (0.3 ~ 0.5): (0.3 ~ 0.5): the ratio of (0.3 ~ 0.5) to join in the mixture formed in steps A and stirs.
6. the preparation method of a kind of modification agent as claimed in claim 5, it is characterized in that, it is (75 ~ 80) that steps A to be specially calcium carbonate powders with LLDPE resin according to ratio of quality and the number of copies: the ratio of 10 puts into high speed mixer mixing certain hour makes it mix.
7. the preparation method of a kind of modification agent as claimed in claim 6, is characterized in that, described certain hour is 2 minutes.
8. the preparation method of a kind of modification agent as claimed in claim 6, it is characterized in that, step B is specially, be (5 ~ 8) by PE cosmetics, stearate powder, EB-FF diffusant, coupling agent, antioxidant, uv-resistant agent, Zinic stearas and Magnesium Stearate according to ratio of quality and the number of copies: (2 ~ 5): (1 ~ 2): (1 ~ 2): (0.3 ~ 0.5): (0.3 ~ 0.5): (0.3 ~ 0.5): the ratio of (0.3 ~ 0.5) joins in the mixture formed in steps A, mix 5 minutes at high speed mixer.
9. the preparation method of a kind of modification agent as claimed in claim 5; it is characterized in that; also comprise material that step B obtains by step C. after step B to join in dual-screw pelletizer and carry out extruding pelletizing processing, its fuselage Heating temperature is 180 DEG C, and the temperature of head and tail is 170 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410788940.1A CN104558797A (en) | 2014-12-18 | 2014-12-18 | Modifier and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410788940.1A CN104558797A (en) | 2014-12-18 | 2014-12-18 | Modifier and preparation method thereof |
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| CN104558797A true CN104558797A (en) | 2015-04-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063129A (en) * | 2020-09-17 | 2020-12-11 | 东莞市晔弘塑胶原料有限公司 | PET plastic toughening agent and preparation method thereof |
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- 2014-12-18 CN CN201410788940.1A patent/CN104558797A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063129A (en) * | 2020-09-17 | 2020-12-11 | 东莞市晔弘塑胶原料有限公司 | PET plastic toughening agent and preparation method thereof |
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Application publication date: 20150429 |