申请人:Canon Kabushiki Kaisha
公开号:EP3064996A1
公开(公告)日:2016-09-07
A liquid discharge head comprises a discharge port member having a discharge port configured to discharge a liquid, wherein the discharge port member is made of a product of curing of a photosensitive resin composition comprising:
(a) a compound polymerizable in the presence of an acid; and
(b) a photoacid generating agent comprising an onium salt having a cationic part structure represented by formula (b1) below and an anionic part structure represented by formula (b2) below,
wherein the component (b) absorbs at least 50% of the amount of 365 nm wavelength light absorbed by the photosensitive resin composition,
wherein R1 to R3 each independently represent an organic group of 1 to 30 carbon atoms, R1 to R3 represent structures containing at least two oxygen atoms and comprising at least one organic group selected from a thioxanthone skeleton, a 9,10-dialkoxyanthracene skeleton, or an anthraquinone skeleton, X is selected from a carbon atom, a nitrogen atom, a phosphorus atom, a boron atom, and an antimony atom, Y is at least one selected from -S(=O)2-, -CF2-O-, -CF2-C(=O)-, -CF2-C(=O)-O-, and -CF2-O-C(=O)-, or X and R4 are directly bonded to each other, R4 represents a hydrocarbon group of 1 to 30 carbon atoms, provided that when Y represents -S(=O)2- or a single bond, the hydrocarbon group represented by R4 has at least one fluorine atom, and when X represents a carbon atom, m and n represent integers that satisfy m + n = 3 and n = 0 to 2, when X represents a nitrogen atom, m and n represent integers that satisfy m + n = 2 and n = 0 to 1, when X represents a phosphorus or antimony atom, m and n represent integers that satisfy m + n = 6 and n = 0 to 6, or when X represents a boron atom, m and n represent integers that satisfy m + n = 4 and n = 0 to 3.
一种液体排放头包括一个排放口部件,该排放口部件具有一个配置成排放液体的排放口,其中排放口部件由光敏树脂组合物的固化产物制成,该光敏树脂组合物包括
(a) 在酸存在下可聚合的化合物;和
(b) 一种光酸生成剂,包括一种鎓盐,其阳离子部分结构如下式 (b1) 所示,阴离子部分结构如下式 (b2) 所示、
其中,组分 (b) 至少能吸收光敏树脂组合物所吸收的 365 纳米波长光的 50%、
其中 R1 至 R3 各自独立地代表 1 至 30 个碳原子的有机基团,R1 至 R3 代表至少含两个氧原子的结构,并包含至少一个有机基团,该有机基团选自硫杂蒽酮骨架、9,10-二烷氧基蒽骨架、或蒽醌骨架、X选自碳原子、氮原子、磷原子、硼原子和锑原子,Y至少选自-S(=O)2-、-CF2-O-、-CF2-C(=O)-、-CF2-C(=O)-O-和-CF2-O-C(=O)-,或X和R4直接键合、R4 代表 1 至 30 个碳原子的烃基,条件是当 Y 代表 -S(=O)2- 或单键时,R4 所代表的烃基至少有一个氟原子;当 X 代表碳原子时,m 和 n 代表满足 m + n = 3 和 n = 0 至 2 的整数、当 X 代表氮原子时,m 和 n 代表满足 m + n = 2 和 n = 0 至 1 的整数;当 X 代表磷或锑原子时,m 和 n 代表满足 m + n = 6 和 n = 0 至 6 的整数;或当 X 代表硼原子时,m 和 n 代表满足 m + n = 4 和 n = 0 至 3 的整数。