CN102330465A - Water tank body of dual-layer functional toilet and production method of water tank body - Google Patents
Water tank body of dual-layer functional toilet and production method of water tank body Download PDFInfo
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- CN102330465A CN102330465A CN201110144856A CN201110144856A CN102330465A CN 102330465 A CN102330465 A CN 102330465A CN 201110144856 A CN201110144856 A CN 201110144856A CN 201110144856 A CN201110144856 A CN 201110144856A CN 102330465 A CN102330465 A CN 102330465A
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- water tank
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- density polyethylene
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Abstract
The invention discloses a water tank body of a dual-layer functional toilet and a production method of the water tank body, relating to a water tank of a toilet. The water tank body of the dual-layer functional toilet is provided with an inner layer and an outer layer, wherein the inner layer comprises the following raw materials in percentage by weight: 40-80 percent of resin matrix raw material, 20-60 percent of filling material and 0-60 percent of functional particle. The raw materials are consumed according to a formula of the inner layer to form the inner layer of the water tank by using an injection molding mode; and the raw materials are consumed according to a formula of the outer layer and are subjected to secondary co-injection molding on the surface of the inner layer to form the water tank body of the dual-layer toilet. The processed water tank body of the toilet is highlight and white in appearance similar to that of ceramic; and the water tank body has the advantages of stable size, ambient stress cracking resistance, impact strength as high as 80-170MPa, low possibility of breaking, convenience for transportation as well as multifunctional effects of bacterial resistance, chloramines resistance, magnetized descaling, damping, muting and the like; and the inconveniences and defects of the water tank of the toilet, which is made of traditional ceramic, are overcome.
Description
Technical field
The present invention relates to a kind of water-closet tank, particularly relate to functional water-closet tank casing of a kind of bilayer and preparation method thereof.
Background technology
Along with the raising of human lives's civilization, toilet becomes a kind of people's livelihood necessity of popularizing day by day, and functional requirement is also more and more high.Traditional water-closet tank is many to be that raw material is fired and formed with the pottery, and its shortcoming is a lot, and for example (1) material is prone to brokenly, and transportation is inconvenient, and packing charges is high; (2) because of being sintered products,, can't satisfy the cooperation of precise part, so yields is not high so size is unstable; (3) firing time long, production efficiency can't improve etc.Chinese patent 200810181540.9 disclosed cellular closet storage tanks adopt ceramic materials; All reduce 20% advantage though have size and thickness than traditional storage tank; But can't avoid pottery breakable shortcoming in the time of transportation, especially export to external.Recently also many sanitary equipment company is injection molded into the single-layer type water-closet tank with polypropylene (PP) resin on the market; But have not only that rerum natura is not good, water resistance and chemical resistance are not enough, functional shortcomings such as single and yielding and warpage, and have defectives such as environmental stress crack resistance is poor, lack application life.
Chinese patent 200710193037.5 discloses a kind of disinfecting closet, and its water tank needs an in addition additional Sterilizing water tank, adopts thimerosal to carry out disinfection.This water tank not only structure complicates, and increases use cost.
Summary of the invention
The objective of the invention is to above-mentioned shortcoming, double-deck functional water-closet tank casing that a kind of mechanical strength is strong, production efficiency is higher, the precision size degree better, use is durable and preparation method thereof is provided to the pottery on the existing market or polypropylene (PP) water-closet tank casing and disinfecting closet existence.
This is invented the functional water-closet tank casing of said bilayer and is provided with internal layer and skin;
The raw material of said internal layer by mass percentage consist of resin matrix raw material 40%～80%, packing material 20%～60%, functional particle 0%～60%;
Said resin matrix raw material is selected from a kind of in high density polyethylene (HDPE) (HDPE), heat-proof polythene (PE-RT), the polypropylene (PP) etc.; It is 85%～95% that said high density polyethylene (HDPE) (HDPE) can adopt degree of crystallinity, and density is 0.941～0.965 polyvinyl; Said heat-proof polythene (PE-RT) can adopt serviceability temperature greater than 80 ℃ polyvinyl;
Said packing material can be selected from a kind of in glass fiber, French chalk, the calcium carbonate etc.
Said functional particle is a kind of functional particle antibiotic, magnetization scale removal or damping sound deadening that has, and said functional particle can be selected from antimicrobial silver ion master batch, or mica particle, or ferrite particle and silver ion master batch mixture; Consisting of of said ferrite particle and silver ion master batch mixture: ferrite particle: silver ion master batch=10: 1;
Said skin is the white in finish layer, and the raw material of said white in finish layer consists of resin base material raw material 85%～95% by mass percentage, white particles 5%～15%; It is base resin that said resin base material raw material adopts a kind of in high density polyethylene (HDPE) (HDPE), heat-proof polythene (PE-RT), polypropylene (PP), high density polyethylene (HDPE)/LLDPE (HDPE/LLDPE), the high density polyethylene (HDPE)/low density polyethylene (LDPE) (HDPE/LDPE) etc.; It is 85%～95% that said high density polyethylene (HDPE) (HDPE) can adopt degree of crystallinity, and density is 0.941～0.965 polyvinyl; Said heat-proof polythene (PE-RT) can adopt serviceability temperature greater than 80 ℃ polyvinyl; Said LLDPE (LLDPE) for degree of crystallinity between 65%～85%, density is in the polythene material between 0.925～0.941; Said white particles can be the mixture of titanium dioxide, barium sulfate, titanium dioxide and barium sulfate.
The thickness of said internal layer is 2～3mm; Said outer field thickness is 2～4mm.
Said white in finish layer can adopt the white in finish layer of glossiness＞120 ℃, is called high light white in finish layer.
The preparation method of the functional water-closet tank casing of said bilayer may further comprise the steps:
1) by interior layer formula materials, forms the water tank internal layer through the injection moulding mode;
2) adopt outer layer formula materials, do secondary injection moulding (secondary encapsulate) altogether on the internal layer surface, form double-deck water-closet tank casing.
The high light white group of water-closet tank casing appearance that the present invention processed is like pottery; Dimensionally stable, resisting environmental stress and cracking, impact strength reaches 80～170MPa; Be difficult for broken; Convenient transportation, and have multi-functional effects such as antibiotic, anti-chloramines, magnetization scale removal, damping noise reduction, overcome traditional some inconveniences and shortcoming that adopts pottery to do water-closet tank.
Description of drawings
Fig. 1 is that the structure of the embodiment of the invention is formed sketch map.
The specific embodiment
1 one kinds of high density polyethylene (HDPE)s of embodiment (HDPE) are the double-deck water-closet tank casing of base resin
1) prescription: (a) internal layer: high density polyethylene (HDPE) (HDPE)+30% glass fiber (thickness: 2mm);
(b) skin: high density polyethylene (HDPE) (HDPE)+8% titanium dioxide (thickness: 3mm).
2) temperature is set: (a) internal layer injection temperature: 220～240 ℃, and mould temperature: 40 ℃;
(b) outer injection temperature: 210～220 ℃, mould temperature: 20 ℃.
3) characteristics: the high light white group of appearance is like pottery (glossiness reaches 130 degree), and ESCR stress is good; Drop test: 1 meter high is fallen not broken; Dimensional contraction rate X (flow direction)=1%, Y (non-current direction)=1.3%.
Fig. 1 provides the structure of the embodiment of the invention and forms sketch map, and in Fig. 1, mark 1 is an internal layer, and 2 is outer.
2 one kinds of polypropylene of embodiment (PP) are the double-deck water-closet tank casing of base resin
1) prescription: (a) internal layer: polypropylene (PP)+40% French chalk (thickness: 2mm);
(b) skin: polypropylene (PP)+8% titanium dioxide+4% barium sulfate (thickness: 4mm).
2) temperature is set: (a) internal layer injection temperature: 200～240 ℃, and mould temperature: 50 ℃;
(b) outer injection temperature: 190～220 ℃, mould temperature: 30 ℃.
3) characteristics: the high light white group of appearance is like pottery (glossiness reaches 124 degree); Drop test: 1 meter high is fallen not broken; Dimensional contraction rate X (flow direction)=0.8%, Y (non-current direction)=1%.
3 one kinds of high density polyethylene (HDPE)s of embodiment (HDPE) are the antibiotic water-closet tank casing of base resin
1) prescription: (a) internal layer: high density polyethylene (HDPE) (HDPE)+50% ferrous oxide+3% silver ion master batch (thickness: 3mm);
(b) skin: high density polyethylene (HDPE) (HDPE)+8% titanium dioxide (thickness: 3mm).
2) temperature is set: (a) internal layer injection temperature: 220～250 ℃, and mould temperature: 50 ℃;
(b) outer injection temperature: 210～240 ℃, mould temperature: 20 ℃.
3) characteristic: the high light white group of appearance is like pottery (glossiness reaches 130 degree), and ESCR stress is good; Drop test: 1 meter high is fallen not broken dimensional contraction rate X (flow direction)=1.5%, Y (non-current direction)=1.7%; Have the magnetization descaling function, antibiotic rate reaches 60% simultaneously.
The water-closet tank casing that 4 one kinds of anti-chloramines property of embodiment are good
1) prescription: (a) internal layer: heat-resistance polypropylene (PE-RT)+40% glass fiber (thickness: 2mm);
(b) skin: high density polyethylene (HDPE) (HDPE)+8% LLDPE (LLDPE)+8% titanium dioxide (3mm).
2) temperature is set: (a) internal layer injection temperature: 220～260 ℃, and mould temperature: 40 ℃;
(b) outer injection temperature: 210～250 ℃, mould temperature: 20 ℃.
3) characteristic: the high light white group of appearance is like pottery (glossiness reaches 130 degree), and ESCR stress is good, drop test: 1 meter high is fallen not broken dimensional contraction rate X (flow direction)=0.5%, Y (non-current direction)=1.0%; The anti-chloramines property testing of internal layer result: outward appearance does not have significant change, and mechanical property does not have the reduction phenomenon.
The water-closet tank casing of 5 one kinds of damping noise reductions of embodiment
1) prescription: (a) internal layer: polypropylene+40% mica (thickness: 3mm);
(b) skin: polypropylene+8% titanium dioxide (thickness: 3mm).
2) temperature is set: (a) internal layer injection temperature: 220～250 ℃, and mould temperature: 50 ℃;
(b) outer injection temperature: 210～240 ℃, mould temperature: 30 ℃.
3) characteristic: the high light white group of appearance is like pottery (glossiness can reach 128 degree), and bath sound reduces by 50%.
Claims (4)
1. the functional water-closet tank casing of bilayer is characterized in that being provided with internal layer and skin;
The raw material of said internal layer by mass percentage consist of resin matrix raw material 40%～80%, packing material 20%～60%, functional particle 0%～60%;
Said resin matrix raw material is selected from a kind of in high density polyethylene (HDPE), heat-proof polythene, the polypropylene; It is 85%～95% that said high density polyethylene (HDPE) adopts degree of crystallinity, and density is 0.941～0.965 polyvinyl; Said heat-proof polythene adopts serviceability temperature greater than 80 ℃ polyvinyl;
Said packing material is selected from a kind of in glass fiber, French chalk, the calcium carbonate;
Said functional particle is a kind of functional particle antibiotic, magnetization scale removal or damping sound deadening that has, and said functional particle is selected from antimicrobial silver ion master batch, or mica particle, or ferrite particle and silver ion master batch mixture; Consisting of of said ferrite particle and silver ion master batch mixture: ferrite particle: silver ion master batch=10: 1;
Said skin is the white in finish layer, and the raw material of said white in finish layer consists of resin base material raw material 85%～95% by mass percentage, white particles 5%～15%; It is base resin that said resin base material raw material adopts a kind of in high density polyethylene (HDPE), heat-proof polythene, polypropylene, high density polyethylene (HDPE)/LLDPE, the high density polyethylene (HDPE)/low density polyethylene (LDPE); It is 85%～95% that said high density polyethylene (HDPE) adopts degree of crystallinity, and density is 0.941～0.965 polyvinyl; Said heat-proof polythene can adopt serviceability temperature greater than 80 ℃ polyvinyl; Said LLDPE is a degree of crystallinity between 65%～85%, density is in the polythene material between 0.925～0.941; Said white particles is the mixture of titanium dioxide, barium sulfate, titanium dioxide and barium sulfate.
2. the functional water-closet tank casing of a kind of bilayer as claimed in claim 1, the thickness that it is characterized in that said internal layer is 2～3mm; Said outer field thickness is 2～4mm.
3. the functional water-closet tank casing of a kind of bilayer as claimed in claim 1 is characterized in that said white in finish layer adopts the white in finish layer of glossiness＞120 ℃.
4. the preparation method of the functional water-closet tank casing of a kind of bilayer as claimed in claim 1 is characterized in that may further comprise the steps:
1) by interior layer formula materials, forms the water tank internal layer through the injection moulding mode;
2) adopt outer layer formula materials, do secondary injection moulding altogether on the internal layer surface, form double-deck water-closet tank casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110144856A CN102330465A (en) | 2011-05-31 | 2011-05-31 | Water tank body of dual-layer functional toilet and production method of water tank body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110144856A CN102330465A (en) | 2011-05-31 | 2011-05-31 | Water tank body of dual-layer functional toilet and production method of water tank body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102330465A true CN102330465A (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110144856A Pending CN102330465A (en) | 2011-05-31 | 2011-05-31 | Water tank body of dual-layer functional toilet and production method of water tank body |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1042813A (en) * | 1964-05-12 | 1966-09-14 | Harold Eric Friday | Improvements in storage tanks or cisterns for liquids |
| CN101048451A (en) * | 2004-11-01 | 2007-10-03 | Lg化学株式会社 | Multi-layer container having barrier property |
| CN101821167A (en) * | 2007-10-12 | 2010-09-01 | 优泊公司 | Injection molding composite vessel and manufacture method thereof |
| CN102003575A (en) * | 2010-09-29 | 2011-04-06 | 康泰塑胶科技集团有限公司 | Water supply pipes and preparation method thereof |
-
2011
- 2011-05-31 CN CN201110144856A patent/CN102330465A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1042813A (en) * | 1964-05-12 | 1966-09-14 | Harold Eric Friday | Improvements in storage tanks or cisterns for liquids |
| CN101048451A (en) * | 2004-11-01 | 2007-10-03 | Lg化学株式会社 | Multi-layer container having barrier property |
| CN101821167A (en) * | 2007-10-12 | 2010-09-01 | 优泊公司 | Injection molding composite vessel and manufacture method thereof |
| CN102003575A (en) * | 2010-09-29 | 2011-04-06 | 康泰塑胶科技集团有限公司 | Water supply pipes and preparation method thereof |
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Application publication date: 20120125 |