CN110171175A - One kind being used for SBS coiled material counterdie multilayer copolymerized compound membrane - Google Patents
One kind being used for SBS coiled material counterdie multilayer copolymerized compound membrane Download PDFInfo
- Publication number
- CN110171175A CN110171175A CN201910607481.5A CN201910607481A CN110171175A CN 110171175 A CN110171175 A CN 110171175A CN 201910607481 A CN201910607481 A CN 201910607481A CN 110171175 A CN110171175 A CN 110171175A
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- CN
- China
- Prior art keywords
- film layer
- extrusion film
- coiled material
- density polyethylene
- low density
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
Abstract
The invention discloses one kind to be used for SBS coiled material counterdie multilayer copolymerized compound membrane, including the first co-extrusion film layer, the second co-extrusion film layer and third co-extrusion film layer, the first co-extrusion film layer and third co-extrusion film layer is all made of polyethylene mixed ingredients, the second co-extrusion film layer uses polypropylene mixture, wherein, the polyethylene mixed ingredients include low density polyethylene (LDPE), linear low density polyethylene and color masterbatch；The polypropylene mixture includes atactic copolymerized polypropene, block copolymerization polypropylene and linear low density polyethylene.By above-mentioned, the present invention have overcome PP cannot on blow, with three layers of symmetrical structure, using PP resin is above blown, film head and vane use cold blowing membrane process in high pressure, film bubble stabilization and the good advantage of thickness uniformity, guarantee to melt rapidly for SBS coiled material counterdie when constructing hot melt, while improve the resistance to mild intensity of film, is not to scald film and film breakage, it is able to satisfy flying reel production line, while improving production efficiency.
Description
Technical field
The present invention relates in the technical field of waterproof roll industry, it is high that SBS coiled material counterdie is used for more particularly to one kind
Pressure polyethylene (LDPE)/polypropylene (PP) multilayer copolymerized compound membrane.
Background technique
Waterproof SBS modified pitch asphalt felt, mode that there are two types of isolated materials, a kind of release film to apply mould release,
It is torn in construction, one is the polyolefine materials with thickness in 0.008-0.012mm to make film in construction with the roasting hot melt of fire
And asphalt melting, it is directly bonded on structural material.
Now be generally HDPE(high density polyethylene (HDPE)) or LDPE(low density polyethylene (LDPE)) material, both materials are molten
Low, the HDPE(high density polyethylene (HDPE) of point) fusing point≤135 DEG C, LDPE(low density polyethylene (LDPE)) fusing point≤120 DEG C, both materials can
Molten effect is fine, but resistance to mild intensity is poor, especially coiled material production technology temperature >=140 DEG C, HDPE(high-density polyethylene
Alkene) or LDPE(low density polyethylene (LDPE)) because film it is relatively thin, and resistance to mild intensity is inadequate, easily scalds film and breaks.
Summary of the invention
The invention mainly solves the technical problem of providing one kind to be used for SBS coiled material counterdie multilayer copolymerized compound membrane, tool
Have the advantages that film bubble is stable and thickness uniformity is good, guarantee that film can melt rapidly in construction hot melt, while improving the resistance to mild of film
Intensity, it is ensured that be not to scald film and film breakage in the production of SBS coiled material, meet flying reel production line, while improving production efficiency.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: it provides a kind of for SBS coiled material bottom
Film multilayer copolymerized compound membrane, the multilayer copolymerized compound membrane are the three-layer extrusion film of three-layer co-extruded upper inflation film manufacturing machine blowing, packet
The first co-extrusion film layer, the second co-extrusion film layer and third co-extrusion film layer are included, the second co-extrusion film layer is arranged in the first co-extrusion film
Between layer and third co-extrusion film layer, the first co-extrusion film layer and third co-extrusion film layer are all made of polyethylene mixed ingredients, described
The second co-extrusion film layer use polypropylene mixture, wherein the polyethylene mixed ingredients include low density polyethylene (LDPE), linear low
Density polyethylene and color masterbatch；The polypropylene mixture includes atactic copolymerized polypropene, block copolymerization polypropylene and linear low
Density polyethylene.
In a preferred embodiment of the present invention, in the polyethylene mixed ingredients low density polyethylene (LDPE) weight percent
For 30-70%；The weight percent of linear low density polyethylene is 25-65%；The weight percent of color masterbatch is 5-10%.
In a preferred embodiment of the present invention, the first co-extrusion film layer and third co-extrusion film layer use symmetrical structure
And material properties is identical.
In a preferred embodiment of the present invention, the thickness of the first co-extrusion film layer and third co-extrusion film layer is
0.002-0.005mm。
In a preferred embodiment of the present invention, in the polypropylene mixture atactic copolymerized polypropene weight percent
Than for 30%-70%；The weight percent of block copolymerization polypropylene is 25-65%；The weight percent of linear low density polyethylene is
5%-10%。
In a preferred embodiment of the present invention, the second co-extrusion film layer with a thickness of 0.002-0.005mm.
In a preferred embodiment of the present invention, the overall thickness of the SBS coiled material counterdie is 0.008-0.015mm.
The beneficial effects of the present invention are: of the invention is used for SBS coiled material counterdie multilayer copolymerized compound membrane, have film bubble steady
Fixed and good thickness uniformity advantage guarantees that film can melt rapidly in construction hot melt, while improving the resistance to mild intensity of film, it is ensured that
It is not to scald film and film breakage in the production of SBS coiled material, meets flying reel production line, while improving production efficiency.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is structural schematic diagram of the present invention for a preferred embodiment in SBS coiled material counterdie multilayer copolymerized compound membrane；
It is attached in the figure, it is marked as the 1, first co-extrusion film layer, the 2, second co-extrusion film layer, 3, third co-extrusion film layer.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
As shown in Figure 1, the embodiment of the present invention includes:
One kind being used for SBS coiled material counterdie multilayer copolymerized compound membrane, and the multilayer copolymerized compound membrane is three-layer co-extruded upper blown film
The three-layer extrusion film of machine blowing, including the first co-extrusion film layer 1, the second co-extrusion film layer 2 and third co-extrusion film layer 3, described second
Co-extrusion film layer 2 is arranged between the first co-extrusion film layer 1 and third co-extrusion film layer 3, the first co-extrusion film layer 1 and third co-extrusion
Film layer 3 is all made of polyethylene mixed ingredients, and the second co-extrusion film layer 2 uses polypropylene mixture.
Among the above, the polyethylene mixed ingredients include low density polyethylene (LDPE), linear low density polyethylene and color masterbatch；Its
In, the weight percent of low density polyethylene (LDPE) is 30-70%；The weight percent of linear low density polyethylene is 25-65%；Color masterbatch
Weight percent be 5-10%.The polypropylene mixture includes atactic copolymerized polypropene, block copolymerization polypropylene and linear
Low density polyethylene (LDPE), wherein the weight percent of atactic copolymerized polypropene is 30%-70%；The weight hundred of block copolymerization polypropylene
Divide than being 25-65%；The weight percent of linear low density polyethylene is 5%-10%.
The effect of first co-extrusion film layer 1 and third co-extrusion film layer 3 are as follows: 1) guarantee that film is symmetrical structure, not crimping, 2) because
Fusing point is low, can guarantee that film can quickly dissolve.3) it colours, film is enable to be customized according to customer requirement.Second co-extrusion film layer 2 is random total
Poly- polypropylene and block copolymerization polypropylene mix, and by the use of the second co-extrusion film layer 2, the heatproof of film are made to be increased to 145
DEG C, 140 DEG C of coiled material productions are adapted to, tensile strength is increased to 30MPa, can also go up high-speed production lines, not film breakage.It is set used in invention
Standby vane is interior cold anticyclone vane, and film bubble is stablized, and thickness uniformity is good.
Further, the first co-extrusion film layer 1 and third co-extrusion film layer 3 use symmetrical structure and material properties is identical
It is identical, it is not easy crimping, guarantees meltability.In the present embodiment, the first co-extrusion film layer 1, the second co-extrusion film layer 2 and third are total
The thickness of extruded film layer 3 is 0.002-0.005mm.In the present embodiment, the overall thickness of the SBS coiled material counterdie is 0.008-
0.015mm。
In conclusion of the invention is used for SBS coiled material counterdie multilayer copolymerized compound membrane, have film bubble stable equal with thickness
The good advantage of even property guarantees that film can melt rapidly in construction hot melt, while improving the resistance to mild intensity of film, it is ensured that SBS coiled material is raw
It is not to scald film and film breakage in production, meets flying reel production line, while improving production efficiency.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. one kind is used for SBS coiled material counterdie multilayer copolymerized compound membrane, which is characterized in that the multilayer copolymerized compound membrane is three
The three-layer extrusion film of inflation film manufacturing machine blowing in layer co-extrusion, including the first co-extrusion film layer, the second co-extrusion film layer and third co-extrusion film layer, institute
The the second co-extrusion film layer stated is arranged between the first co-extrusion film layer and third co-extrusion film layer, the first co-extrusion film layer and third
Co-extrusion film layer is all made of polyethylene mixed ingredients, and the second co-extrusion film layer uses polypropylene mixture, wherein the poly- second
Alkene mixed ingredients include low density polyethylene (LDPE), linear low density polyethylene and color masterbatch；The polypropylene mixture includes random total
Poly- polypropylene, block copolymerization polypropylene and linear low density polyethylene.
2. according to claim 1 be used for SBS coiled material counterdie multilayer copolymerized compound membrane, which is characterized in that described is poly-
The weight percent of low density polyethylene (LDPE) is 30-70% in ethylene mixed ingredients；The weight percent of linear low density polyethylene is
25-65%；The weight percent of color masterbatch is 5-10%.
3. according to claim 1 be used for SBS coiled material counterdie multilayer copolymerized compound membrane, which is characterized in that described the
Extruded film layer and third co-extrusion film layer use symmetrical structure altogether and material properties is identical.
4. according to claim 1 be used for SBS coiled material counterdie multilayer copolymerized compound membrane, which is characterized in that described the
Extruded film layer and the thickness of third co-extrusion film layer are 0.002-0.005mm altogether.
5. according to claim 1 be used for SBS coiled material counterdie multilayer copolymerized compound membrane, which is characterized in that described is poly-
The weight percent of atactic copolymerized polypropene is 30%-70% in propylene mixture；The weight percent of block copolymerization polypropylene is
25-65%；The weight percent of linear low density polyethylene is 5%-10%.
6. according to claim 1 be used for SBS coiled material counterdie multilayer copolymerized compound membrane, which is characterized in that described the
Two co-extrusion film layers with a thickness of 0.002-0.005mm.
7. according to claim 1 be used for SBS coiled material counterdie multilayer copolymerized compound membrane, which is characterized in that described is more
The overall thickness of layer coextrusion-lamination film is 0.008-0.015mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810888943 | 2018-08-07 | ||
| CN2018108889430 | 2018-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110171175A true CN110171175A (en) | 2019-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910607481.5A Pending CN110171175A (en) | 2018-08-07 | 2019-07-08 | One kind being used for SBS coiled material counterdie multilayer copolymerized compound membrane |
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| CN (1) | CN110171175A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186133A (en) * | 2007-11-01 | 2008-05-28 | 衡水中铁建土工材料制造有限公司 | Polymer composite heat resisting waterproof sheet and preparation method thereof |
-
2019
- 2019-07-08 CN CN201910607481.5A patent/CN110171175A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186133A (en) * | 2007-11-01 | 2008-05-28 | 衡水中铁建土工材料制造有限公司 | Polymer composite heat resisting waterproof sheet and preparation method thereof |
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Application publication date: 20190827 |
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