CN109758018A - A kind of toilet seat pad and vacuumize foaming preparation process - Google Patents
A kind of toilet seat pad and vacuumize foaming preparation process Download PDFInfo
- Publication number
- CN109758018A CN109758018A CN201910153368.4A CN201910153368A CN109758018A CN 109758018 A CN109758018 A CN 109758018A CN 201910153368 A CN201910153368 A CN 201910153368A CN 109758018 A CN109758018 A CN 109758018A
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- polyethers
- foaming
- toilet seat
- polyurethane
- seat pad
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- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to toilet seat pad technical fields, it refers in particular to a kind of toilet seat pad and vacuumizes foaming preparation process, including cushion bracket, the cushion bracket uses polypropylene material, the outer surface of the cushion bracket is coated with half polyurethane, half polyethers foamed plastic, the outer surface of half polyurethane, half polyethers foamed plastic is coated with TPU waterproof membrane, TPU waterproof membrane, half polyurethane, half polyethers foamed plastic and cushion bracket three fit together, by by TPU waterproof membrane, design of half polyurethane, the half polyethers foamed plastic together with cushion bracket triplicity, compared with the design being integrated only by foaming and cushion, with better waterproof effect, it is easy to clean, and also solve composite molding polyurethane toilet seat pad surface falls paint and colouring problem, more durable environmental protection.
Description
Technical field
The present invention relates to toilet seat pad technical field, refers in particular to a kind of toilet seat pad and vacuumize foaming preparation process.
Background technique
Currently, most of toilet seat pad be all by plastic material injection molding, when the direct skin contact with human body,
The temperature of cushion is often less than the body temperature of people, makes one to feel like a hen on a hot girdle, and this feeling is particularly acute in autumn and winter, simultaneously should
Toilet seat pad material made of material is too hard, is seated also uncomfortable, therefore, part toilet seat pad using polyurethane it is made, with gram
Take disadvantages mentioned above.
In the prior art, as one kind disclosed in [Chinese invention, Chinese invention authorization] CN201510017386.1 is compound
Type polyurethane toilet seat pad and its preparation process, including surface coating layer, location structure and cushion bracket, surface coating layer is by gathering
Urethane is made, and frosting is arranged in the cushion bracket surface, and surface coating layer is coated on cushion bracket by the way that location structure is seamless
Outer surface；The location structure is that the end of surface coating layer is integrally formed with the first turning point and first crossbeam, the first turnover
Portion is connect with first crossbeam, and first crossbeam upwardly extends to form the first hook formation, and cushion bracket is integrally formed on the upside of end
Second cross beam, second cross beam are downwardly extending the second hook formation, and the first hook formation is mutually twisted with the second hook formation.
The patent uses independent polyurethane foam, and is made using once-combined molding processing technology, entirely processes work
Skill process is relatively simple, but during the manufacturing or in use process, there is also some problems, wherein
Surface coating layer be it is made by polyurethane, waterproofness is poor, dirt it is readily permeable arrive foaming layer, throws into question to cleaning, if
In surface lacquer processing, although good waterproof performance can be obtained, in use for some time, paint, cushion can be fallen
It can be colored, pollute.
Summary of the invention
The object of the present invention is to provide a kind of toilet seat pad and foaming preparation process is vacuumized, by waterproof membrane, solves to sit
The bad problem of waterproof is padded, and cushion can be made more comfortable durable.
The object of the present invention is achieved like this: a kind of toilet seat pad, including cushion bracket, and the cushion bracket is using poly-
Propylene material, the outer surface of the cushion bracket are coated with half polyurethane, half polyethers foamed plastic, the foaming of half polyurethane, half polyethers
The outer surface of plastics is coated with TPU waterproof membrane, TPU waterproof membrane, half polyurethane, half polyethers foamed plastic and cushion bracket three patch
It is combined.
Preferably, the TPU waterproof membrane is coated on the outer surface on the outside of half polyurethane, half polyethers foamed plastic, and described half
Waterproof ink is coated on outer surface on the inside of half polyethers foamed plastic of polyurethane.
Preferably, the oval array in the side of the cushion bracket has several through slots, half polyurethane, the half polyethers hair
The convex block with through slot cooperation is formed on the inside of foamed material.
A kind of toilet seat pad vacuumizes foaming preparation process, it the following steps are included:
Step 1, foaming mould is heated using heater, temperature control is spent at 45 degree -65；
Step 2, TPU waterproof membrane is located in the lower impressions of foaming mould using localization machine；
Step 3, using inhale film machine, the lower impressions of foaming mould are vacuumized, allow TPU waterproof membrane with lower impressions at
Type；
Step 4, release agent is sprayed to the upper impression of foaming mould；
Step 5, it is put into cushion bracket, and injects half polyurethane, half polyethers foamed plastic foaming.
Preferably, further comprising the steps of
Step 6, oil processing is carried out with the surface of PP processor pair cushion bracket；
Step 7, the cushion bracket handled well that will deoil is located in the upper impression of foam films；
It step 8, will be in the lower impressions of half polyurethane, half polyethers foamed plastic injection foaming mould using foaming machine；
Step 9, product is taken out after half polyethers, half polyurethane foam plastics cure molding in foaming mould；
Step 10, it is cleared up using the Special trimming machine waste material extra to product；
Step 11, waterproof ink is sprayed in the exposed section of half polyurethane, half polyethers foamed plastic by spray gun.
Preferably, in the step 1, the temperature of mold is controlled at 50 degree.
Preferably, in the step 8, the curing time of half polyethers, half polyurethane foam plastics is 10 minutes.
Preferably, the raw material of half polyethers, half polyurethane foam plastics includes the A group containing the pure and mild auxiliary material of polyether polyols
Point, and the B component containing isocyanates, B component/component A mass ratio are 0.2-0.6；Component A and B component are in temperature
Hybrid reaction under conditions of 17-42 degree.
Preferably, the component A is formulated by following raw materials by weight portion: 99 parts of polyether polyol, chain extender 3-
11 parts, 0.4-4 parts of catalyst, 0.3-4 parts of surfactant, 3-35 parts of foaming agent.
Preferably, the B component is one pack system isocyanates.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that
1, the present invention by by TPU waterproof membrane, half polyurethane, half polyethers foamed plastic and cushion bracket triplicity one
The design risen has better waterproof effect compared with the design being integrated only by foaming and cushion, easy to clean, and
And also solve composite molding polyurethane toilet seat pad surface falls paint and colouring problem, more durable environmental protection.
2, the present invention is using foaming preparation process is vacuumized, by TPU waterproof membrane, half polyurethane, half polyethers foamed plastic and seat
Pad support triplicity together, is integrally formed, and TPU waterproof membrane is incorporated on the surface of half polyurethane, half polyethers foamed plastic
On, cracking will not be generated, more comfortable epidermis, durable, waterproof, easy to clean is made.
Detailed description of the invention
Fig. 1 is top view of the invention.
Fig. 2 is cross-sectional view at A-A in Fig. 1.
Fig. 3 is amplification assumption diagram at B in Fig. 2.
Fig. 4 is the explosive view of half polyethers foamed plastic of cushion bracket and half polyurethane.
Left view when Fig. 5 is cushion bracket and the combination of half polyurethane, half polyethers foamed plastic.
Fig. 6 is cross-sectional view at C-C in Fig. 5.
Fig. 7 is cross-sectional view at D-D in Fig. 5.
Fig. 8 is schematic diagram when fixing TPU waterproof membrane in mold lower impressions.
Fig. 9 is the schematic diagram after vacuumizing to lower impressions.
Figure 10 is schematic diagram when fixing cushion bracket in mold upper impression.
Figure 11 is the schematic diagram of foaming process after injecting half polyurethane, half polyethers foamed plastic.
Figure 12 is the schematic diagram after foamed plastic curing.
Appended drawing reference: 1- cushion bracket；Half polyurethane of 2-, half polyethers foamed plastic；3-TPU waterproof membrane；
4- waterproof ink；5- through slot；6- mold；7- convex block.
Specific embodiment
Specific embodiments of the present invention will be described in further detail by 1-12 with reference to the accompanying drawing.
A kind of toilet seat pad.
As shown in figure 3, half polyurethane, half polyethers foamed plastic 2 is coated in the outer surface of cushion bracket 1, in half polyurethane
The outer surface of half polyethers foamed plastic 2 is coated with TPU waterproof membrane 3, TPU waterproof membrane 3, half polyurethane, half polyethers foamed plastic, 2 and
1 triplicity of cushion bracket together, combines together, and the TPU waterproof membrane 3 is coated on half polyurethane, half polyethers foamed plastic 2
On the outer surface in outside, waterproof ink 4 is coated on the outer surface of half polyurethane, half polyethers foamed plastic, 2 inside.
Existing patent is all that will foam and rubber shell is integrated, and the present invention is by vacuumizing foam process, by waterproof
Three film, foaming and rubber shell materials are integrated, i.e., without being processed to three, one-pass molding.
Solve injection molding, the low problem of timber toilet seat pad comfort level.
Solves PVC foam toilet seat pad surface aging, foam exposed problem.
It solves from skinning toilet seat pad dirt and permeates foaming layer difficulty cleaning problems.
Solves the problems, such as the discoloration jaundice of EVA toilet seat pad.
It solves spray painting processing paint in composite molding polyurethane toilet seat pad surface modes and falls paint and colouring problem.
Specifically see Fig. 4, oval array there are several through slots 5 in the side of cushion bracket 1, injects half polyurethane, half polyethers
After foamed plastic, half polyurethane, half polyethers foamed plastic will be filled in through slot 5, convex from that will form in corresponding position
Block 7, convex block 7 are combined together with through slot 5.
In conjunction with Fig. 6 and Fig. 7, half polyurethane, the half polyethers foamed plastic 2 is filled in several through slots 5, when foaming is moulded
After material curing, it can be coated on the appearance of each through slot 5, it is stronger, it is not easily to fall off.
The cushion bracket 1 uses polypropylene material, and polyacrylic relative density is small, only 0.89-0.91, is in plastics
One of most light kind, heat resistance with higher, and chemical property is good.
It is preparation process schematic diagram of the invention in conjunction with Fig. 8-Figure 12,
What the present invention prepared toilet seat pad vacuumizes foam process, it the following steps are included:
Step 1, foaming mould 6 is heated using heater, temperature is controlled at 50 degree；
Step 2, TPU waterproof membrane 3 is located in the lower impressions of foaming mould 6 using localization machine；
Step 3, using film machine is inhaled, the lower impressions of foaming mould 6 is vacuumized, allow TPU waterproof membrane 3 with lower impressions
Molding；
Step 4, release agent is sprayed to the upper impression of foaming mould 6；
Step 5, oil processing is carried out with the surface of PP processor pair cushion bracket 1；
Step 6, the cushion bracket 1 handled well that will deoil is located in the upper impression of foam films；
It step 7, will be in the lower impressions of half polyurethane, half polyethers foamed plastic 2 injection foaming mould 6 using foaming machine；
Step 8, it is cured 10 minutes in foaming mould 6 to half polyethers, half polyurethane foam plastics, product is taken out after molding；
Step 9, it is cleared up using the Special trimming machine waste material extra to product；
Step 10, waterproof ink 4 is sprayed in the exposed section of half polyurethane, half polyethers foamed plastic 2 by spray gun.
The raw material of half polyethers, half polyurethane foam plastics includes the component A containing the pure and mild auxiliary material of polyether polyols, and
B component containing one pack system isocyanates, B component/component A mass ratio are 0.2-0.6；Component A and B component are in temperature
Hybrid reaction under conditions of 17-42 degree, the component A are formulated by following raw materials by weight portion: 99 parts of polyether polyol,
3-11 parts of chain extender, 0.4-4 parts of catalyst, 0.3-4 parts of surfactant, 3-35 parts of foaming agent, the B component is that one pack system is different
Cyanate.
The method has the advantages that
One, TPU waterproof membrane 3 has been added, more comfortable epidermis, durable, waterproof and easy to clean can be made；
Two, the toilet seat pad made of half polyurethane, half polyethers foamed plastic 2, thermal coefficient is small, comfort level up to 35 degree,
Take especially comfortable, comfort level height；
Three, using the toilet seat pad of half polyethers foamed plastic of TPU waterproof membrane 3 and half polyurethane, in foaming process, the two
It can combine together, avoid problem of Cracking, it is more durable；
Four, by opening up through slot 5, the filling-foam plastics in through slot 5 are eliminated between cushion bracket 1 and foamed plastic
Layering, considerably increase firmness between the two, it is more durable.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of toilet seat pad, including cushion bracket (1), which is characterized in that the cushion bracket (1) uses polypropylene material,
The outer surface of the cushion bracket (1) is coated with half polyurethane, half polyethers foamed plastic (2), half polyurethane, half polyethers foamed plastic
(2) outer surface is coated with TPU waterproof membrane (3), TPU waterproof membrane (3), half polyurethane, half polyethers foamed plastic (2) and cushion branch
Frame (1) three fits together.
2. a kind of toilet seat pad according to claim 1, it is characterised in that: the TPU waterproof membrane (3) is coated on half poly- ammonia
On outer surface on the outside of half polyethers foamed plastic (2) of ester, on the outer surface on the inside of half polyurethane, the half polyethers foamed plastic (2)
It is coated with waterproof ink (4).
3. a kind of toilet seat pad stated according to claim 2, it is characterised in that: the side of the cushion bracket (1) is oval
Array has several through slots (5), forms on the inside of half polyurethane, the half polyethers foamed plastic (2) and cooperates with the through slot (5)
Convex block (7).
4. a kind of toilet seat pad according to claim 1 vacuumizes foaming preparation process, it is characterised in that: it include with
Lower step:
Step 1, foaming mould (6) is heated using heater, temperature control is spent at 45 degree -65；
Step 2, TPU waterproof membrane (3) is located in the lower impressions of foaming mould (6) using localization machine；
Step 3, using film machine is inhaled, the lower impressions of foaming mould (6) is vacuumized, allow TPU waterproof membrane (3) with lower impressions
Molding；
Step 4, release agent is sprayed to the upper impression of foaming mould (6)；
Step 5, it is put into cushion bracket (1), and injects half polyurethane half polyethers foamed plastic (2) foaming.
5. a kind of toilet seat pad according to claim 4 vacuumizes foaming preparation process, it is characterised in that: further include with
Lower step:
Step 6, oil processing is carried out with the surface of PP processor pair cushion bracket (1)；
Step 7, the cushion bracket (1) handled well that will deoil is located in the upper impression of foam films；
It step 8, will be in the lower impressions of half polyurethane, half polyethers foamed plastic (2) injection foaming mould (6) using foaming machine；
Step 9, product is taken out after curing molding in foaming mould (6) after half polyethers, half polyurethane foam plastics；
Step 10, it is cleared up using the Special trimming machine waste material extra to product；
Step 11, waterproof ink (4) are sprayed in the exposed section of half polyurethane, half polyethers foamed plastic (2) by spray gun.
6. a kind of toilet seat pad according to claim 4 vacuumizes foaming preparation process, it is characterised in that: the step
In 1, the temperature of mold (6) is controlled at 50 degree.
7. a kind of toilet seat pad according to claim 5 vacuumizes foaming preparation process, it is characterised in that: the step
In 8, the curing time of half polyethers, half polyurethane foam plastics is 10 minutes.
8. a kind of toilet seat pad according to claim 4 vacuumizes foaming preparation process, it is characterised in that: described half is poly-
The raw material of half polyurethane foam plastics of ether includes the component A containing the pure and mild auxiliary material of polyether polyols, and the B group containing isocyanates
Point, B component/component A mass ratio is 0.2-0.6；Component A and B component hybrid reaction under conditions of temperature is 17-42 degree.
9. a kind of toilet seat pad according to claim 8 vacuumizes foaming preparation process, it is characterised in that: the A group
Divide and is formulated by following raw materials by weight portion: 99 parts of polyether polyol, 3-11 parts of chain extender, 0.4-4 parts of catalyst, surface
0.3-4 parts of activating agent, 3-35 parts of foaming agent.
10. a kind of toilet seat pad according to claim 9 vacuumizes foaming preparation process, it is characterised in that: the B group
It is divided into one pack system isocyanates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153368.4A CN109758018B (en) | 2019-02-28 | 2019-02-28 | Closestool cushion and vacuumizing foaming preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153368.4A CN109758018B (en) | 2019-02-28 | 2019-02-28 | Closestool cushion and vacuumizing foaming preparation process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109758018A true CN109758018A (en) | 2019-05-17 |
| CN109758018B CN109758018B (en) | 2021-07-30 |
Family
ID=66457605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910153368.4A Active CN109758018B (en) | 2019-02-28 | 2019-02-28 | Closestool cushion and vacuumizing foaming preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109758018B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006592A (en) * | 2019-05-30 | 2020-12-01 | 碧美斯制造公司 | Comfortable toilet seat |
| CN114129082A (en) * | 2021-11-17 | 2022-03-04 | 金华市万融洁具有限公司 | Multi-layer antibacterial toilet seat and compression molding process thereof |
| CN114209233A (en) * | 2021-12-13 | 2022-03-22 | 九牧厨卫股份有限公司 | Toilet seat and preparation method thereof |
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| US3949432A (en) * | 1974-05-30 | 1976-04-13 | Ginsey Industries, Inc. | Cushioned toilet seat |
| US4248646A (en) * | 1979-06-27 | 1981-02-03 | Milton Ginsburg | Method of making foam filled cushion toilet seat |
| CN2614620Y (en) * | 2003-04-21 | 2004-05-12 | 王众杰 | Buffer for seat of closet |
| CN101961219A (en) * | 2010-09-21 | 2011-02-02 | 李兆荣 | Environment-friendly soft heat-insulating toilet seat and manufacturing process thereof |
| CN104545656A (en) * | 2015-01-14 | 2015-04-29 | 飞虎(厦门)聚氨酯制品有限公司 | Compound type polyurethane toilet seat and preparation technology thereof |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3639922A (en) * | 1967-07-20 | 1972-02-08 | Stanley J Samuels | Cushioned toilet seat |
| US3949432A (en) * | 1974-05-30 | 1976-04-13 | Ginsey Industries, Inc. | Cushioned toilet seat |
| US4248646A (en) * | 1979-06-27 | 1981-02-03 | Milton Ginsburg | Method of making foam filled cushion toilet seat |
| CN2614620Y (en) * | 2003-04-21 | 2004-05-12 | 王众杰 | Buffer for seat of closet |
| CN101961219A (en) * | 2010-09-21 | 2011-02-02 | 李兆荣 | Environment-friendly soft heat-insulating toilet seat and manufacturing process thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006592A (en) * | 2019-05-30 | 2020-12-01 | 碧美斯制造公司 | Comfortable toilet seat |
| EP3744220A1 (en) * | 2019-05-30 | 2020-12-02 | Bemis Manufacturing Company | Comfort toilet seat |
| US11253116B2 (en) | 2019-05-30 | 2022-02-22 | Bemis Manufacturing Company | Comfort toilet seat |
| CN114129082A (en) * | 2021-11-17 | 2022-03-04 | 金华市万融洁具有限公司 | Multi-layer antibacterial toilet seat and compression molding process thereof |
| CN114209233A (en) * | 2021-12-13 | 2022-03-22 | 九牧厨卫股份有限公司 | Toilet seat and preparation method thereof |
| CN114209233B (en) * | 2021-12-13 | 2023-10-13 | 九牧厨卫股份有限公司 | Toilet seat and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109758018B (en) | 2021-07-30 |
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Effective date of registration: 20220111 Address after: 318000 No. 828, 2nd Ring West Road, Xicheng street, Huangyan District, Taizhou City, Zhejiang Province (self declaration) Patentee after: Taizhou Larsen High Tech Co.,Ltd. Address before: 318027 Shuangfeng Village, Xinqian street, Huangyan District, Taizhou City, Zhejiang Province Patentee before: TAIZHOU YOULEKANG BABY PRODUCTS Co.,Ltd. |
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