CN111688228A - Continuous production process of PE breathable film composite fabric - Google Patents
Continuous production process of PE breathable film composite fabric Download PDFInfo
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- CN111688228A CN111688228A CN202010566700.2A CN202010566700A CN111688228A CN 111688228 A CN111688228 A CN 111688228A CN 202010566700 A CN202010566700 A CN 202010566700A CN 111688228 A CN111688228 A CN 111688228A
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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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/022—Melting the material to be shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a continuous production process of a PE breathable film composite fabric, and relates to the technical field of production of PE breathable film composite fabrics. The continuous production process of the PE breathable film composite fabric comprises the steps of using 44.5-54.5 wt% of polyethylene as a raw material; 45% -55% of calcium carbonate: 0.5 percent of additive, and the treatment process of the continuous production process comprises the following steps; step 1: putting polyethylene, calcium carbonate and additives into a stirring device for fully and uniformly stirring; step 2: then adding the mixed materials into a mixing roll for heating, mixing and plasticizing, melting, filtering impurities and granulating; and step 3: drying and dehumidifying the granulated materials; and 4, step 4: and heating and melting the dried and dehumidified granular materials. By adopting the continuous production process, the processing rhythm of the PE breathable composite fabric can be guaranteed to be compact, redundant packaging processing steps are reduced, the production cost of products is reduced, and the production profit of enterprises is increased.
Description
Technical Field
The invention relates to the technical field of production of PE breathable film composite fabrics, in particular to a continuous production process of a PE breathable film composite fabric.
Background
The conventional production process of PE (polyethylene) breathable film comprises the steps of heating and kneading by a mixing roll to uniformly disperse calcium carbonate in polyethylene to form breathable particles, then sending the breathable particles into an extruder, heating and plasticizing the breathable particles, extruding and molding a film through a T-shaped die, heating the film to a proper temperature, properly stretching and shaping the film, and then rolling the film to obtain the PE breathable film.
Traditional production technology adopts and divide into two steps and produce, in order to guarantee that the water content of ventilative particle satisfies the production requirement when transporting, need carry out film encapsulation, drying and multistep dehumidification step to ventilative particle, increase the manufacturing cost of PE (polyethylene) ventilated membrane surface fabric for the unit price of surface fabric increases, is unfavorable for the production demand of enterprise.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a continuous production process of a PE breathable film composite fabric, which solves the problems that the traditional production process adopts two steps to produce, in order to ensure that the water content of breathable particles meets the production requirement during transportation, the steps of film packaging, drying and multi-step dehumidification are required to be carried out on the breathable particles, the production cost of the PE (polyethylene) breathable film fabric is increased, the unit price of the fabric is increased, and the production requirement of an enterprise is not facilitated.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a continuous production process of a PE breathable film composite fabric comprises the following steps of using raw materials in percentage by weight; 44.5% -54.5% of polyethylene; 45% -55% of calcium carbonate: 0.5% of additive.
The treatment process comprising the continuous production process comprises the following steps of;
step 1: putting polyethylene, calcium carbonate and additives into a stirring device for fully and uniformly stirring;
step 2: then adding the mixed materials into a mixing roll for heating, mixing and plasticizing, melting, filtering impurities and granulating;
and step 3: drying and dehumidifying the granulated materials;
and 4, step 4: heating and melting the dried and dehumidified granular materials;
and 5: then sending the film into a die to extrude into a base film;
step 6: adhering high-elasticity fabrics to two surfaces of an extruded base film:
and 7: and then preheating and lifting and shaping the composite film.
Preferably, the additives comprise a lubricant, an antioxidant and a fragrance, and the weight ratio of each component is 1: 1: 0.6.
preferably, the heating temperature in the step 2 is 115-125 ℃, the mixing plasticizing temperature is gradually increased from 120 ℃ to 190 ℃, the melting temperature is kept at 180-190 ℃, the impurity filtering temperature is 160-170 ℃, and the granulating temperature is 120-130 ℃.
Preferably, the melting holding time in step 2 is 20 minutes to 40 minutes.
Preferably, the temperature of the heating melting treatment in the step 4 is controlled to be 170-180 ℃, and the holding time is 30-40 minutes.
Preferably, the temperature of the extrusion die in step 5 is 60 ℃ to 80 ℃.
Preferably, the preheating temperature in the step 7 is 40-50 ℃, and the temperature for pulling and shaping is 35-40 ℃.
Preferably, the temperature for drying and dehumidifying is 60-80 ℃.
(III) advantageous effects
The invention provides a continuous production process of a PE breathable film composite fabric. The method has the following beneficial effects:
1. by adopting the continuous production process, the processing rhythm of the PE breathable composite fabric can be ensured to be relatively compact, redundant packaging processing steps are reduced, the production cost of products is reduced, and the production profit of enterprises is increased.
2. According to the invention, the temperature is controlled to gradually decrease during extrusion forming, so that the toughness of the PE breathable film is increased, and the elasticity of the fabric can be increased by bonding the high-elasticity fabric on both sides of the extrusion-formed base film.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the embodiment of the invention provides a continuous production process of a PE breathable film composite fabric, which comprises the following steps of using raw materials in percentage by weight; 44.5% of polyethylene; 55% of calcium carbonate: 0.5% of additive.
The treatment process of the continuous production process comprises the following steps:
step 1: putting polyethylene, calcium carbonate and additives into a stirring device for fully and uniformly stirring;
step 2: then adding the mixed materials into a mixing roll for heating, mixing and plasticizing, melting, filtering impurities and granulating;
and step 3: drying and dehumidifying the granulated materials;
and 4, step 4: heating and melting the dried and dehumidified granular materials;
and 5: then sending the film into a die to extrude into a base film;
step 6: adhering high-elasticity fabrics to two surfaces of an extruded base film:
and 7: and then preheating and lifting and shaping the composite film.
The additive comprises a lubricant, an antioxidant and a fragrance, and the weight ratio of each component is 1: 1: 0.6, the heating temperature in the step 2 is 115-125 ℃, the mixing plasticizing temperature is gradually increased from 120 ℃ to 190 ℃, the melting temperature is kept between 180 ℃ and 190 ℃, the impurity filtering temperature is 160-170 ℃, the grain cutting temperature is 120-130 ℃, the melting keeping time in the step 2 is 20-40 minutes, the heating melting treatment temperature in the step 4 is controlled between 170 ℃ and 180 ℃, the keeping time is 30-40 minutes, the extrusion molding temperature in the step 5 is 60-80 ℃, the preheating temperature in the step 7 is 40-50 ℃, the pulling shaping temperature is 35-40 ℃, and the drying and dehumidifying temperature is 60-80 ℃.
Example two:
the embodiment of the invention provides a continuous production process of a PE breathable film composite fabric, which comprises the following steps of using raw materials in percentage by weight; 47% of polyethylene; 52.5% calcium carbonate: 0.5% of additive.
The treatment process of the continuous production process comprises the following steps of;
step 1: putting polyethylene, calcium carbonate and additives into a stirring device for fully and uniformly stirring;
step 2: then adding the mixed materials into a mixing roll for heating, mixing and plasticizing, melting, filtering impurities and granulating;
and step 3: drying and dehumidifying the granulated materials;
and 4, step 4: heating and melting the dried and dehumidified granular materials;
and 5: then sending the film into a die to extrude into a base film;
step 6: and then preheating and lifting and shaping the composite film.
The additive comprises a lubricant, an antioxidant and a fragrance, and the weight ratio of each component is 1: 1: 0.6, the heating temperature in the step 2 is 115-125 ℃, the mixing plasticizing temperature is gradually increased from 120 ℃ to 190 ℃, the melting temperature is kept between 180 ℃ and 190 ℃, the impurity filtering temperature is 160-170 ℃, the grain cutting temperature is 120-130 ℃, the melting keeping time in the step 2 is 20-40 minutes, the heating melting treatment temperature in the step 4 is controlled between 170 ℃ and 180 ℃, the keeping time is 30-40 minutes, the extrusion molding temperature in the step 5 is 60-80 ℃, the preheating temperature in the step 6 is 40-50 ℃, the pulling shaping temperature is 35-40 ℃, and the drying and dehumidifying temperature is 60-80 ℃.
Example three:
the embodiment of the invention provides a continuous production process of a PE breathable film composite fabric, which comprises the following steps of using raw materials in percentage by weight; 54.5% of polyethylene; 45% of calcium carbonate: 0.5% of additive.
The treatment process of the continuous production process comprises the following steps of;
step 1: putting polyethylene, calcium carbonate and additives into a stirring device for fully and uniformly stirring;
step 2: then adding the mixed materials into a mixing roll for heating, mixing and plasticizing, melting, filtering impurities and granulating;
and step 3: drying and dehumidifying the granulated materials;
and 4, step 4: heating and melting the dried and dehumidified granular materials;
and 5: then sending the film into a die to extrude into a base film;
step 6: adhering high-elasticity fabrics to two surfaces of an extruded base film:
and 7: and then preheating and lifting and shaping the composite film.
The additive comprises a lubricant, an antioxidant and a fragrance, and the weight ratio of each component is 1: 1: 0.6, the heating temperature in the step 2 is 115-125 ℃, the mixing plasticizing temperature is gradually increased from 120 ℃ to 190 ℃, the melting temperature is kept between 180 ℃ and 190 ℃, the impurity filtering temperature is 160-170 ℃, the grain cutting temperature is 120-130 ℃, the melting keeping time in the step 2 is 20-40 minutes, the heating melting treatment temperature in the step 4 is controlled between 170 ℃ and 180 ℃, the keeping time is 30-40 minutes, the extrusion molding temperature in the step 5 is 60-80 ℃, the preheating temperature in the step 7 is 40-50 ℃, the pulling shaping temperature is 35-40 ℃, and the drying and dehumidifying temperature is 60-80 ℃.
Example four:
the embodiment of the invention provides a continuous production process of a PE breathable film composite fabric, which comprises the following steps of using raw materials in percentage by weight; 54.5% of polyethylene; 45% of calcium carbonate: 0.5% of additive.
The treatment process of the continuous production process comprises the following steps of;
step 1: putting polyethylene, calcium carbonate and additives into a stirring device for fully and uniformly stirring;
step 2: then adding the mixed materials into a mixing roll for heating, mixing and plasticizing, melting, filtering impurities and granulating;
and step 3: drying and dehumidifying the granulated materials;
and 4, step 4: heating and melting the dried and dehumidified granular materials;
and 5: then sending the film into a die to extrude into a base film;
step 6: adhering high-elasticity fabrics to two surfaces of an extruded base film:
and 7: and then preheating and lifting and shaping the composite film.
The additive comprises a lubricant, an antioxidant and a fragrance, and the weight ratio of each component is 1: 1: 0.6, the heating temperature in the step 2 is 115-125 ℃, the mixing plasticizing temperature is gradually increased from 120 ℃ to 190 ℃, the melting temperature is kept between 180 ℃ and 190 ℃, the impurity filtering temperature is 160-170 ℃, the grain cutting temperature is 120-130 ℃, the melting keeping time in the step 2 is 20-40 minutes, the heating melting treatment temperature in the step 4 is controlled between 170 ℃ and 180 ℃, the keeping time is 30-40 minutes, the extrusion molding temperature in the step 5 is 60-80 ℃, the preheating temperature in the step 7 is 35-40 ℃, the pulling shaping temperature is 40-50 ℃, and the drying and dehumidifying temperature is 60-80 ℃.
Comparative table of examples
The elasticity of the product is gradually increased along with the increase of the content of the polyethylene, the air permeability is reduced, the elasticity, the wear resistance and the flexibility of the product fabric are increased by the content of the additive, but the viscosity of the base film and the high-elasticity fabric is reduced to a certain degree, and the partial falling is easily generated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A continuous production process of a PE breathable film composite fabric is characterized in that the raw materials are used in percentage by weight; 44.5% -54.5% of polyethylene; 45% -55% of calcium carbonate: 0.5% of additives;
the treatment process comprising the continuous production process comprises the following steps of;
step 1: putting polyethylene, calcium carbonate and additives into a stirring device for fully and uniformly stirring;
step 2: then adding the mixed materials into a mixing roll for heating, mixing and plasticizing, melting, filtering impurities and granulating;
and step 3: drying and dehumidifying the granulated materials;
and 4, step 4: heating and melting the dried and dehumidified granular materials;
and 5: then sending the film into a die to extrude into a base film;
step 6: adhering high-elasticity fabrics to two surfaces of an extruded base film:
and 7: and then preheating and lifting and shaping the composite film.
2. The continuous production process of the PE breathable film composite fabric according to claim 1, which is characterized by comprising the following steps of: the additive comprises a lubricant, an antioxidant and a fragrance, and the weight ratio of each component is 1: 1: 0.6.
3. the continuous production process of the PE breathable film composite fabric according to claim 1, which is characterized by comprising the following steps of: the heating temperature in the step 2 is 115-125 ℃, the mixing plasticizing temperature is gradually increased from 120 ℃ to 190 ℃, the melting temperature is kept at 180-190 ℃, the impurity filtering temperature is 160-170 ℃, and the granulating temperature is 120-130 ℃.
4. The continuous production process of the PE breathable film composite fabric according to claim 1, which is characterized by comprising the following steps of: the melting holding time in the step 2 is 20-40 minutes.
5. The continuous production process of the PE breathable film composite fabric according to claim 1, which is characterized by comprising the following steps of: the heating and melting treatment temperature of the step 4 is controlled to be 170-180 ℃, and the holding time is 30-40 minutes.
6. The continuous production process of the PE breathable film composite fabric according to claim 1, which is characterized by comprising the following steps of: the temperature of the extrusion molding base die in the step 5 is 60-80 ℃.
7. The continuous production process of the PE breathable film composite fabric according to claim 1, wherein the preheating temperature in the step 7 is 40-50 ℃, and the temperature for the drawing and shaping is 35-40 ℃.
8. The continuous production process of the PE breathable film composite fabric according to claim 1, which is characterized by comprising the following steps of: the temperature for drying and dehumidifying is 60-80 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010566700.2A CN111688228A (en) | 2020-06-19 | 2020-06-19 | Continuous production process of PE breathable film composite fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010566700.2A CN111688228A (en) | 2020-06-19 | 2020-06-19 | Continuous production process of PE breathable film composite fabric |
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| CN111688228A true CN111688228A (en) | 2020-09-22 |
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| CN202010566700.2A Pending CN111688228A (en) | 2020-06-19 | 2020-06-19 | Continuous production process of PE breathable film composite fabric |
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| DE102013002561A1 (en) * | 2013-02-15 | 2014-08-21 | Innovatec Microfibre Technology Gmbh & Co. Kg | Multi-layer composite material useful as wound dressing, comprises two layers of fine fiber spun-bonded fabric, in which two nonwoven layers are connected to one another, such that pockets between two fabric layers are formed between joints |
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