JP7177932B6 - 3d印刷のための低粘度uv硬化性調合物 - Google Patents
3d印刷のための低粘度uv硬化性調合物 Download PDFInfo
- Publication number
- JP7177932B6 JP7177932B6 JP2021526550A JP2021526550A JP7177932B6 JP 7177932 B6 JP7177932 B6 JP 7177932B6 JP 2021526550 A JP2021526550 A JP 2021526550A JP 2021526550 A JP2021526550 A JP 2021526550A JP 7177932 B6 JP7177932 B6 JP 7177932B6
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- Prior art keywords
- monomer
- liquid precursor
- meth
- acrylate
- acrylamide
- Prior art date
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- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
- C08F2/50—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
- C08F220/36—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate containing oxygen in addition to the carboxy oxygen, e.g. 2-N-morpholinoethyl (meth)acrylate or 2-isocyanatoethyl (meth)acrylate
- C08F220/365—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate containing oxygen in addition to the carboxy oxygen, e.g. 2-N-morpholinoethyl (meth)acrylate or 2-isocyanatoethyl (meth)acrylate containing further carboxylic moieties
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/012—Additives improving oxygen scavenging properties
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Description
Claims (15)
- 付加製造プロセスにおける液体前駆体であって、
メタ(アクリレート)官能性オリゴマーと、
反応性希釈剤と、
メタ(アクリルアミド)モノマーと、
N,N ジエチルアクリルアミドモノマー又はN,N ジメチルアクリルアミドモノマーあるいはその双方と、
を含み、
反応性希釈剤と、メタ(アクリルアミド)モノマーと、N,N ジエチルアクリルアミドモノマー又はN,N ジメチルアクリルアミドモノマーあるいはその双方とが、液体前駆体の70-80%である、液体前駆体。 - 反応性希釈剤がメタ(アクリレート)モノマーを含む、請求項1に記載の液体前駆体。
- メタ(アクリレート)モノマーが、脂肪族、脂環式、複素環式、芳香族、直鎖状、及び/又は分岐状のメタ(アクリレート)モノマーを含む、請求項2に記載の液体前駆体。
- 液体前駆体が、N-ビニルピロリドンを含まない、請求項1に記載の液体前駆体。
- 液体前駆体におけるオリゴマーが、メタ(アクリレート)官能性オリゴマーのみであり、メタ(アクリレート)官能性オリゴマーが、液体前駆体の20-30%を占める、請求項1に記載の液体前駆体。
- メタ(アクリレート)官能性オリゴマーが、液体前駆体の20-25%を占める、請求項5に記載の液体前駆体。
- 光開始剤、光増感剤、及び/又は酸素捕捉剤を含む、請求項1に記載の液体前駆体。
- 液体前駆体が、メタ(アクリレート)官能性オリゴマー、反応性希釈剤、メタ(アクリルアミド)モノマー、及びN-ビニル含有モノマーと、場合によっては、光開始剤、光増感剤、及び/又は酸素捕捉剤のうちの一又は複数とからなる、請求項1に記載の液体前駆体。
- 研磨パッドの研磨層を製造する方法であって、
研磨層の複数の副層を3Dプリンタを用いて連続的に堆積させることであって、複数の副層の各副層が、
液体前駆体材料をノズルから吐出することであって、液体前駆体材料が、メタ(アクリレート)官能性オリゴマーと、反応性希釈剤と、メタ(アクリルアミド)モノマーと、N,N ジエチルアクリルアミドモノマー又はN,N ジメチルアクリルアミドモノマーあるいはその双方とを含み、反応性希釈剤と、メタ(アクリルアミド)モノマーと、N,N ジエチルアクリルアミドモノマー又はN,N ジメチルアクリルアミドモノマーあるいはその双方とが、液体前駆体材料の70-80%である、液体前駆体材料をノズルから吐出すること、及び
液体前駆体材料を硬化して、液体前駆体材料を凝固させて、副層の凝固した研磨層材料を形成することであって、凝固した研磨層材料の吸水率が、室温の水に4日間浸漬させた後、元の重量の10%未満である、副層の凝固した研磨層材料を形成することにより堆積される、
研磨層の複数の副層を3Dプリンタを用いて連続的に堆積させることを含む、
方法。 - 液体前駆体材料におけるオリゴマーが、メタ(アクリレート)官能性オリゴマーのみであり、複数の副層の各副層の厚さが、研磨層の総厚の50%未満である、請求項9に記載の方法。
- 反応性希釈剤が、メタ(アクリレート)モノマーであり、液体前駆体の化学的に反応する部分は、メタ(アクリレート)官能性オリゴマーと、メタ(アクリレート)モノマーと、メタ(アクリルアミド)モノマーと、N,N ジメチルアクリルアミドモノマー又はN,N ジエチルアクリルアミドモノマーあるいはその双方とのみを含み、複数の副層の各副層の厚さが、研磨層の総厚の1%未満である、請求項10に記載の方法。
- 反応性希釈剤がメタ(アクリレート)モノマーを含む、請求項9に記載の方法。
- 液体前駆体材料が、N-ビニルピロリドンを含まない、請求項9に記載の方法。
- メタ(アクリレート)官能性オリゴマーが、液体前駆体材料の20-30%を占める、請求項9に記載の方法。
- 液体前駆体材料が、メタ(アクリレート)官能性オリゴマー、反応性希釈剤、メタ(アクリルアミド)モノマー、及びN,N ジエチルアクリルアミドモノマー又はN,N ジメチルアクリルアミドモノマーあるいはその双方と、場合によっては、光開始剤、光増感剤、及び/又は酸素捕捉剤のうちの一又は複数とからなる、請求項9に記載の方法。
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