CN107254089A - A kind of TPU is modified HDPE blown films PP Pipe Compound and its production method - Google Patents
A kind of TPU is modified HDPE blown films PP Pipe Compound and its production method Download PDFInfo
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- CN107254089A CN107254089A CN201710484932.1A CN201710484932A CN107254089A CN 107254089 A CN107254089 A CN 107254089A CN 201710484932 A CN201710484932 A CN 201710484932A CN 107254089 A CN107254089 A CN 107254089A
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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
- C08L23/06—Polyethene
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
HDPE blown films PP Pipe Compound and its production method are modified the invention discloses a kind of TPU, including：TPU, HDPE and bulking agent, the bulking agent is that maleic anhydride is grafted HDPE, the TPU and HDPE are grafted by maleic anhydride grafting HDPE, it is 45 ~ 47 parts that the TPU is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU, it is 46 ~ 48 parts that the HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU, and it is 5 ~ 7 parts that the maleic anhydride grafting HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU.Through the above way, TPU of the present invention is modified HDPE blown films PP Pipe Compound and its production method, especially TPU is employed to be modified HDPE, and be grafted using maleic anhydride grafting HDPE (HDPE g MAH), compatibility is good, improve material ageing-resistant performance and thermal oxidation under combination property, improve stressing conditions under heat distortion temperature, it is applied widely.
Description
Technical field
The present invention relates to film applications, more particularly to a kind of TPU is modified HDPE blown films PP Pipe Compound and its production method.
Background technology
High density polyethylene is that a kind of crystallinity is high, nonpolar thermoplastic resin, nontoxic, tasteless, melting temperature
130 DEG C, with good heat resistance and cold resistance, chemical stability is good, also with higher rigidity and toughness, mechanical strength
It is good.
The wearability of high density polyethylene (HDPE), electrical insulating property, toughness and cold resistance are preferable, and chemical stability is good, in room temperature
Under the conditions of, insoluble in any organic solvent, acid and alkali resistance and the corrosion of various salts, but density polyethylene film with high steams to water
The permeability of gas and air is small, water imbibition is low, loss of properties on aging, and ESCR is not so good as low density polyethylene (LDPE), particularly
Thermal oxidation can make the heat distortion temperature under its hydraulic performance decline, stressing conditions relatively low, it is necessary to improve.
The content of the invention
HDPE blown films PP Pipe Compound and its production method are modified the present invention solves the technical problem of a kind of TPU of offer,
Lift the combination property under ageing-resistant performance and thermal oxidation.
TPU is a kind of highly polar high polymer material, with performance following prominent：
Hardness range is wide：By changing the proportioning of each reactive components of TPU, the product of different hardness can be obtained, and with hard
The increase of degree, its product still keeps good elasticity and wearability；
High mechanical strength：Bearing capacity, impact resistance and the damping performance of TPU products are protruded；
Cold resistance is protruded：TPU glass transition temperature than relatively low, still kept at subzero 35 degree good elasticity, compliance and
Other physical properties；
Good processability：TPU can be processed using the processing method of common thermoplastic, be such as molded, extrude, rolled
Deng, meanwhile, processing can obtain the polymer alloy of performance complement jointly for TPU and some high polymer materials, oil resistant, water-fast, resistance to
Mould, regeneration is good.
In order to solve the above technical problems, one aspect of the present invention is：A kind of TPU is provided and is modified HDPE blown films
PP Pipe Compound, including：TPU, HDPE and bulking agent, the bulking agent are that maleic anhydride is grafted HDPE, and the TPU and HDPE are by horse
Maleic anhydride grafted HDPE is grafted, and it is 45 ~ 47 that the TPU is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Part, it is 46 ~ 48 parts that the HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU, the maleic anhydride grafting
It is 5 ~ 7 parts that HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU.
In a preferred embodiment of the present invention, water content≤0.03% of the TPU.
In a preferred embodiment of the present invention, the TPU is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Number is 45 parts, and it is 48 parts that the HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU, and the maleic anhydride connects
It is 7 parts that branch HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU.
In a preferred embodiment of the present invention, the TPU is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Number is 47 parts, and it is 48 parts that the HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU, and the maleic anhydride connects
It is 5 parts that branch HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU.
In a preferred embodiment of the present invention, the TPU is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Number is 46 parts, and it is 48 parts that the HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU, and the maleic anhydride connects
It is 6 parts that branch HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU.
In a preferred embodiment of the present invention, the TPU is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Number is 47 parts, and it is 47 parts that the HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU, and the maleic anhydride connects
It is 6 parts that branch HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of TPU modifications HDPE is provided to blow
The production method of film special material, comprises the following steps：
Batch mixing：TPU, HDPE and maleic anhydride are grafted HDPE by weight being weighed, high speed agitator is then placed in, stirs
3 ~ 6 minutes, the mixture stirred；
Pelletizing：Mixture is put into material storage tube, the in the same direction of low sheraing and mixture element of the draw ratio below 36 is added through feeding machine
In double screw extruder, the multi-region temperature of parallel dual-screw extruding machine be respectively set as successively 180 DEG C, 185 DEG C, 190 DEG C, 190
DEG C, 195 DEG C, 200 DEG C, 200 DEG C and 200 DEG C, 200 DEG C of melt temperature, 200 DEG C of head temperature, screw rod rotation carry out melt squeeze
Go out, the melt of extrusion obtains particle through cooling and dicing；
Final finishing：Particle carry out vibrations sieving, then dry, test moisture content, it is qualified after be incorporated with the sealed packaging bag of liner.
In a preferred embodiment of the present invention, the rotating speed of the agitator is 900-1400r/min, is stirred 5 minutes.
In a preferred embodiment of the present invention, the rotating speed of the screw rod is 150r/min.
In a preferred embodiment of the present invention, during the Final finishing, it is desirable to which the side of particle water content≤0.03% is closes
Lattice.
The beneficial effects of the invention are as follows：A kind of TPU that the present invention is pointed out is modified HDPE blown films PP Pipe Compound and its production method,
Especially employ TPU to be modified HDPE, and HDPE (HDPE-g-MAH) is grafted using maleic anhydride and be grafted, it is compatible
Property it is good, TPU and HDPE blendings are made TPU/HDPE blends and can overcome long benefit is taken in the intrinsic shortcomings of TPU and HDPE, performance
Short, bulking agent realizes TPU and HDPE phase in the copolymer with in-situ generation in TPU, HDPE Blending Processes with compatibilization
Capacitive be blended, improve material ageing-resistant performance and thermal oxidation under combination property, improve stressing conditions under heat
Deformation temperature, it is applied widely.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
The embodiment of the present invention includes：
A kind of TPU is modified HDPE blown films PP Pipe Compound and its production method, including：TPU, HDPE and bulking agent, the bulking agent
HDPE is grafted for maleic anhydride, the TPU and HDPE are grafted by maleic anhydride grafting HDPE, and the TPU is modified in TPU
Shared parts by weight are 45 ~ 47 parts in HDPE blown film PP Pipe Compounds, and the HDPE is modified shared in HDPE blown film PP Pipe Compounds in TPU
Parts by weight be 46 ~ 48 parts, maleic anhydride grafting HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Number is 5 ~ 7 parts.HDPE is modified using TPU, and HDPE (HDPE-g-MAH) is grafted using maleic anhydride and is grafted,
Compatibility is good, TPU and HDPE blendings are made TPU/HDPE blends and can overcome is taken in the intrinsic shortcomings of TPU and HDPE, performance
Long benefit is short, and bulking agent realizes TPU and HDPE in the copolymer with in-situ generation in TPU, HDPE Blending Processes with compatibilization
Compatibility blending, improve material ageing-resistant performance and thermal oxidation under combination property.
Embodiment 1：
A kind of TPU is modified the production method of HDPE blown film PP Pipe Compounds, comprises the following steps：
Batch mixing：TPU, HDPE and maleic anhydride grafting HDPE are pressed 45:48:7 weight is than being weighed, and the TPU's is aqueous
Amount≤0.03%, is then placed in high speed agitator, the rotating speed of the agitator is 1400r/min, stirs 3 minutes, obtains stirring equal
Even mixture；
Pelletizing：Mixture is put into material storage tube, the in the same direction of low sheraing and mixture element of the draw ratio below 36 is added through feeding machine
In double screw extruder, the multi-region temperature of parallel dual-screw extruding machine be respectively set as successively 180 DEG C, 185 DEG C, 190 DEG C, 190
DEG C, 195 DEG C, 200 DEG C, 200 DEG C and 200 DEG C, 200 DEG C of melt temperature, 200 DEG C of head temperature, screw rod rotation carry out melt squeeze
Go out, the rotating speed of the screw rod is 150r/min, and the melt of extrusion obtains particle through cooling and dicing；
Final finishing：Particle carries out vibrations sieving, then dries, and tests moisture content, it is desirable to the side of particle water content≤0.03% be it is qualified,
It is unqualified continue dry, it is qualified after be incorporated with the sealed packaging bag of liner.
Embodiment 2：
A kind of TPU is modified the production method of HDPE blown film PP Pipe Compounds, comprises the following steps：
Batch mixing：TPU, HDPE and maleic anhydride grafting HDPE are pressed 47:48:5 weight is than being weighed, and the TPU's is aqueous
Amount≤0.03%, is then placed in high speed agitator, the rotating speed of the agitator is 1200r/min, stirs 4 minutes, obtains stirring equal
Even mixture；
Pelletizing：Mixture is put into material storage tube, the in the same direction of low sheraing and mixture element of the draw ratio below 36 is added through feeding machine
In double screw extruder, the multi-region temperature of parallel dual-screw extruding machine be respectively set as successively 180 DEG C, 185 DEG C, 190 DEG C, 190
DEG C, 195 DEG C, 200 DEG C, 200 DEG C and 200 DEG C, 200 DEG C of melt temperature, 200 DEG C of head temperature, screw rod rotation carry out melt squeeze
Go out, the rotating speed of the screw rod is 150r/min, and the melt of extrusion obtains particle through cooling and dicing；
Final finishing：Particle carries out vibrations sieving, then dries, and tests moisture content, it is desirable to the side of particle water content≤0.03% be it is qualified,
It is unqualified continue dry, it is qualified after be incorporated with the sealed packaging bag of liner.
Embodiment 3：
A kind of TPU is modified the production method of HDPE blown film PP Pipe Compounds, comprises the following steps：
Batch mixing：TPU, HDPE and maleic anhydride grafting HDPE are pressed 46:48:6 weight is than being weighed, and the TPU's is aqueous
Amount≤0.03%, is then placed in high speed agitator, the rotating speed of the agitator is 900r/min, stirs 6 minutes, obtains stirring equal
Even mixture；
Pelletizing：Mixture is put into material storage tube, the in the same direction of low sheraing and mixture element of the draw ratio below 36 is added through feeding machine
In double screw extruder, the multi-region temperature of parallel dual-screw extruding machine be respectively set as successively 180 DEG C, 185 DEG C, 190 DEG C, 190
DEG C, 195 DEG C, 200 DEG C, 200 DEG C and 200 DEG C, 200 DEG C of melt temperature, 200 DEG C of head temperature, screw rod rotation carry out melt squeeze
Go out, the rotating speed of the screw rod is 150r/min, and the melt of extrusion obtains particle through cooling and dicing；
Final finishing：Particle carries out vibrations sieving, then dries, and tests moisture content, it is desirable to the side of particle water content≤0.03% be it is qualified,
It is unqualified continue dry, it is qualified after be incorporated with the sealed packaging bag of liner.
Embodiment 4：
A kind of TPU is modified the production method of HDPE blown film PP Pipe Compounds, comprises the following steps：
Batch mixing：TPU, HDPE and maleic anhydride grafting HDPE are pressed 47:47:6 weight is than being weighed, and the TPU's is aqueous
Amount≤0.03%, is then placed in high speed agitator, the rotating speed of the agitator is 1000r/min, stirs 5 minutes, obtains stirring equal
Even mixture；
Pelletizing：Mixture is put into material storage tube, the in the same direction of low sheraing and mixture element of the draw ratio below 36 is added through feeding machine
In double screw extruder, the multi-region temperature of parallel dual-screw extruding machine be respectively set as successively 180 DEG C, 185 DEG C, 190 DEG C, 190
DEG C, 195 DEG C, 200 DEG C, 200 DEG C and 200 DEG C, 200 DEG C of melt temperature, 200 DEG C of head temperature, screw rod rotation carry out melt squeeze
Go out, the rotating speed of the screw rod is 150r/min, and the melt of extrusion obtains particle through cooling and dicing；
Final finishing：Particle carries out vibrations sieving, then dries, and tests moisture content, it is desirable to the side of particle water content≤0.03% be it is qualified,
It is unqualified continue dry, it is qualified after be incorporated with the sealed packaging bag of liner.
In summary, a kind of TPU that the present invention is pointed out is modified HDPE blown films PP Pipe Compound and its production method, and production is facilitated,
Formula is optimized, is especially grafted using maleic anhydride grafting HDPE, compatibility is good, TPU/ is made in TPU and HDPE blendings
HDPE blend can overcome the intrinsic shortcomings of TPU and HDPE, be made after film, lifting weatherability and ageing resistace, be applicable ring
Border is more extensive, and combination property is protruded.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (10)
1. a kind of TPU is modified HDPE blown film PP Pipe Compounds, it is characterised in that including：TPU, HDPE and bulking agent, the bulking agent
HDPE is grafted for maleic anhydride, the TPU and HDPE are grafted by maleic anhydride grafting HDPE, and the TPU is modified in TPU
Shared parts by weight are 45 ~ 47 parts in HDPE blown film PP Pipe Compounds, and the HDPE is modified shared in HDPE blown film PP Pipe Compounds in TPU
Parts by weight be 46 ~ 48 parts, maleic anhydride grafting HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Number is 5 ~ 7 parts.
2. TPU according to claim 1 is modified HDPE blown film PP Pipe Compounds, it is characterised in that and the water content of the TPU≤
0.03%。
3. TPU according to claim 1 is modified HDPE blown film PP Pipe Compounds, it is characterised in that the TPU is modified in TPU
Shared parts by weight are 45 parts in HDPE blown film PP Pipe Compounds, and the HDPE is modified shared in HDPE blown film PP Pipe Compounds in TPU
Parts by weight are 48 parts, and it is 7 that the maleic anhydride grafting HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Part.
4. TPU according to claim 1 is modified HDPE blown film PP Pipe Compounds, it is characterised in that the TPU is modified in TPU
Shared parts by weight are 47 parts in HDPE blown film PP Pipe Compounds, and the HDPE is modified shared in HDPE blown film PP Pipe Compounds in TPU
Parts by weight are 48 parts, and it is 5 that the maleic anhydride grafting HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Part.
5. TPU according to claim 1 is modified HDPE blown film PP Pipe Compounds, it is characterised in that the TPU is modified in TPU
Shared parts by weight are 46 parts in HDPE blown film PP Pipe Compounds, and the HDPE is modified shared in HDPE blown film PP Pipe Compounds in TPU
Parts by weight are 48 parts, and it is 6 that the maleic anhydride grafting HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Part.
6. TPU according to claim 1 is modified HDPE blown film PP Pipe Compounds, it is characterised in that the TPU is modified in TPU
Shared parts by weight are 47 parts in HDPE blown film PP Pipe Compounds, and the HDPE is modified shared in HDPE blown film PP Pipe Compounds in TPU
Parts by weight are 47 parts, and it is 6 that the maleic anhydride grafting HDPE is modified parts by weight shared in HDPE blown film PP Pipe Compounds in TPU
Part.
7. a kind of any described TPU of claim 1 ~ 6 is modified the production method of HDPE blown film PP Pipe Compounds, it is characterised in that bag
Include following steps：
Batch mixing：TPU, HDPE and maleic anhydride are grafted HDPE by weight being weighed, high speed agitator is then placed in, stirs
3 ~ 6 minutes, the mixture stirred；
Pelletizing：Mixture is put into material storage tube, the in the same direction of low sheraing and mixture element of the draw ratio below 36 is added through feeding machine
In double screw extruder, the multi-region temperature of parallel dual-screw extruding machine be respectively set as successively 180 DEG C, 185 DEG C, 190 DEG C, 190
DEG C, 195 DEG C, 200 DEG C, 200 DEG C and 200 DEG C, 200 DEG C of melt temperature, 200 DEG C of head temperature, screw rod rotation carry out melt squeeze
Go out, the melt of extrusion obtains particle through cooling and dicing；
Final finishing：Particle carry out vibrations sieving, then dry, test moisture content, it is qualified after be incorporated with the sealed packaging bag of liner.
8. TPU according to claim 7 is modified the production method of HDPE blown film PP Pipe Compounds, it is characterised in that the stirring
The rotating speed of device is 900-1400r/min, is stirred 5 minutes.
9. TPU according to claim 7 is modified the production method of HDPE blown film PP Pipe Compounds, it is characterised in that the screw rod
Rotating speed be 150r/min.
10. TPU according to claim 7 is modified the production method of HDPE blown film PP Pipe Compounds, it is characterised in that described rear whole
During reason, it is desirable to which the side of particle water content≤0.03% is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484932.1A CN107254089A (en) | 2017-06-23 | 2017-06-23 | A kind of TPU is modified HDPE blown films PP Pipe Compound and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484932.1A CN107254089A (en) | 2017-06-23 | 2017-06-23 | A kind of TPU is modified HDPE blown films PP Pipe Compound and its production method |
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| Publication Number | Publication Date |
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| CN107254089A true CN107254089A (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710484932.1A Pending CN107254089A (en) | 2017-06-23 | 2017-06-23 | A kind of TPU is modified HDPE blown films PP Pipe Compound and its production method |
Country Status (1)
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883837A (en) * | 1988-06-24 | 1989-11-28 | The Dow Chemical Company | Compatible blends of polyolefins with thermoplastic polyurethanes |
-
2017
- 2017-06-23 CN CN201710484932.1A patent/CN107254089A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883837A (en) * | 1988-06-24 | 1989-11-28 | The Dow Chemical Company | Compatible blends of polyolefins with thermoplastic polyurethanes |
Non-Patent Citations (1)
| Title |
|---|
| 赵伟等: "TPU与HDPE共混体系的γ-辐照增容", 《包装工程》 * |
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Application publication date: 20171017 |
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