CN108215051B - 一种橡胶眼镜框制备方法 - Google Patents
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- 238000001746 injection moulding Methods 0.000 claims abstract description 13
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- 238000000465 moulding Methods 0.000 claims abstract description 12
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 7
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- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
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- 238000002347 injection Methods 0.000 claims 1
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Classifications
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of 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
- B29K2023/16—EPM, i.e. ethylene-propylene copolymers; EPDM, i.e. ethylene-propylene-diene copolymers; EPT, i.e. ethylene-propylene terpolymers
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- 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
- B29L2012/00—Frames
- B29L2012/005—Spectacle frames
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Abstract
本发明公开了一种橡胶眼镜框的制备方法，其中，制备方法包括：（1）将三元乙丙橡胶和两种配合剂在辊温为50~60℃、辊距为1~2毫米的开炼机上混炼20~25分钟，制备成两种不同配比的三元乙丙橡胶混炼胶待用；（2）将两种混炼胶通过注压机的两个流道注射到膜腔内在170℃和10MPa的条件下成型得到产品。本发明采用注压式成型方法，制备工序简单，可以大大提升产品合格率，减少原材料浪费，且其橡胶眼镜框美观时尚，具有优异的耐磨性，耐腐蚀性，耐气候性和韧性。
Description
技术领域
本发明涉及眼镜框领域，涉及一种橡胶眼镜框的制备方法。
背景技术
橡胶眼镜框要求其必须具有优良的硬度，耐磨性，耐腐蚀性，耐气候性，质轻等优点。目前的眼镜框主要有三种：金属眼镜框、塑料眼镜框、天然材料眼镜框。金属眼镜框又分为铜合金，镍合金和贵金属这几类。铜合金耐腐蚀性较差，易生锈；镍合金耐用腐蚀性比较好，且不易生锈，其机械性能也好于铜合金，但是由于密度较大，所以比较重；贵金属，如金，铂金，包金他们的成本非常高，不适用于大众。塑料眼镜框质轻，但是耐腐蚀性不强，而且容易折断，在温度较低时易脆断。天然材料眼镜框主要由特殊木材、动物牛角和玳瑁材料等制成。一般木质镜架与牛角架很少见，最具代表性的就是玳瑁架，其特点是重量轻、光泽性好，经久耐用具有保存价值，在各类镜架中属高档品，但是易断裂，价格昂贵，所以也不适用于大众。因此，需要设计一种耐磨，耐腐蚀，耐气候，韧性好，质轻，美观时尚的眼镜框。依据于此，目前市场上又发明了两种类型的眼镜框。
专利CN106233192A公开了一种轻量化的双色眼镜框,由此制备的薄的金属材料眼镜框虽然质轻美观,但是耐腐蚀性差，结构复杂，成本较高，不易加工。
专利CN106985248A公开了一种可弯折竹制眼镜框,这种眼镜框虽然可以折叠，但是极易碎裂，耐磨性差，长时间佩戴脸部易被压出痕迹。
因此，本发明制备了一种橡胶眼镜框，其制备工序简单，耐磨性，耐腐蚀性，韧性，耐候性都好于传统眼镜框还可以有效减少原料的浪费，适用于任何场合，出行时佩戴美观大方，运动时佩戴摔落不易碎，适用于四季不会因天气的变化而脆裂，戴久了脸上也不会被眼镜框压出痕迹。
发明内容
本发明要解决现有眼镜框存在的问题，提供一种制备工序简单，提升产品合格率，减少原材料浪费的橡胶眼镜框的制备方法。其橡胶眼镜框具有优异的耐磨，耐腐蚀，耐气候，韧性好，质轻，时尚美观等优点。
本发明的橡胶眼镜框，采用注压成型方式，避免了传统眼镜框在加工中普遍出现内圈压伤，外圈压伤和铣伤这三大工序问题，并且将内框与外框成型的多道工序缩减成一个连续的工序，制料、成型一次完成，材料的浪费大大减少，杜绝以往生产眼镜框出现的质量问题，能适应企业低成本的生产要求。本发明的橡胶眼镜框原材料全部为三元乙丙橡胶，在镜腿处和镜圈与鼻梁处的胶料配合剂量不同，并且眼镜框的镜腿比传统的塑料和金属镜框都要窄和薄。橡胶眼镜框在注压时采用两个流道，第一个流道为镜腿处，第二个流道为镜圈和鼻梁处，其中第一个流道的配合剂量多。保证了镜腿有足够的硬度支撑眼镜框，两个眼镜框有足够的韧性来保护镜片。
本发明所采取的技术方案是：一种橡胶眼镜框的制备方法，其制备方法如下：
（1）制备两种不同配比的三元乙丙橡胶混炼胶（2）将两种混炼胶通过注压机的两个流道注射到膜腔在170℃和10MPa的条件下成型得到产品。
具体实施方式
下面结合具体实施例对本发明作进一步详细阐述。
实施例 1
（1）将三元乙丙橡胶和66份配合剂在辊温为50 ~ 60 ℃、辊距为1 ~ 2毫米的开炼机上混炼20 ~ 25分钟，制成第一种混炼胶待用，其中配合剂由白炭黑、氧化锌、硬脂酸、硫化剂、硫化促进剂、防老剂D按质量比为30：5：2：3：25：1组成。（2）将三元乙丙橡胶和73配合剂在辊温为50 ~ 60 ℃、辊距为1 ~ 2毫米的开炼机上混炼20 ~ 25分钟，制成第二种混炼胶待用，其中配合剂由白炭黑、氧化锌、硬脂酸、硫化剂、硫化促进剂、防老剂D按质量比为30：5：2：5：30：1组成。（3）将第一种混炼胶通过注压机的一个流道注射到单模腔内，在170℃和10MPa的条件下成型得到产品。
实施例 2 ~ 实施例 5的混炼胶制备方法与实施例1的相同，但是成型方法分别如下：
实施例 2
将第一种混炼胶通过注压机的一个流道注射到多个模腔内，在170℃和10MPa的条件下成型得到产品。
实施例 3
将第二种混炼胶通过注压机的一个流道注射到单模腔内，在170℃和10MPa的条件下成型得到产品。
实施例 4
将第二种混炼胶通过注压机的一个流道注射到多个模腔内，在170℃和10MPa的条件下成型得到产品。
实施例 5
将两种混炼胶通过注压机的两个流道注射到单模腔内，在170℃和10MPa的条件下成型得到产品。
实施例 6
将两种混炼胶通过注压机的两个流道注射到多模腔内，在170℃和10MPa的条件下成型得到产品。
实施例 1~ 6的橡胶眼镜框部分性能数据如表1 所示。从表1 可以看出，本发明制备的注压式橡胶眼镜框耐磨、耐候性、耐腐蚀性等性能优异，好于普通的眼镜框。
表1 实施例 1 ~ 6的橡胶眼镜框的性能
Claims (4)
1.一种橡胶眼镜框制备方法，其特征在于，包括如下步骤：(1)制备两种不同配比的三元乙丙橡胶混炼胶，其中两种混炼胶的配合剂由白炭黑、氧化锌、硬脂酸、硫化剂、硫化促进剂、防老剂D分别按质量比为30：5：2：3：25：1和30：5：2：5：30：1组成；(2)将两种混炼胶通过注压机的两个流道注射到膜腔在170℃和10MPa的条件下成型得到产品。
2.根据权利要求1所述的一种橡胶眼镜框制备方法，其特征在于，采用注压的方式制备眼镜框。
3.根据权利要求1所述的一种橡胶眼镜框制备方法，其特征在于，橡胶眼镜框在注压时选用双流道多模腔的方式。
4.根据权利要求1所述的一种橡胶眼镜框制备方法，其特征在于，橡胶眼镜框镜圈和镜腿的模具都为宽度0.1mm，厚度0.2mm。
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3950483A (en) * | 1972-03-02 | 1976-04-13 | I Martin Spier | Injection molding process |
| DE19722551A1 (de) * | 1997-05-28 | 1998-12-03 | Hohe Gmbh & Co Kg | Verfahren zur Herstellung von Kunststoffteilen in einem Zwei-Komponenten-Spritzgußprozeß |
| WO2003067309A1 (fr) * | 2002-02-08 | 2003-08-14 | Auto-Winner Limited | Monture de lunettes |
| CH697026A5 (de) * | 2003-07-01 | 2008-03-31 | Ems Chemie Ag | Kunststoff-Spritzgussteil mit steifer und gelenkiger Zone und Verwendung desselben. |
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